Home / 28,160.19-38,854.28-17,542.31

Finding the Fourth Proportional to 28,160.19, 38,854.28 and 17,542.31

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Solution

The fourth proportional to 28,160.19, 38,854.28 and 17,542.31 is: 24,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.19 : 38,854.28 = 17,542.31 : x
  2. Step 2: Convert to fraction form
    28,160.19/38,854.28 = 17,542.31/x
  3. Step 3: Cross multiply
    28,160.19x = 38,854.28 × 17,542.31
  4. Step 4: Simplify right side
    28,160.19x = 681,593,674.17
  5. Step 5: Solve for x
    x = 681,593,674.17/28,160.19
  6. Step 6: Final answer
    x = 24,204.16

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Half scale
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Double scale
Find fourth proportional to 28,161.19, 38,855.66 and 17,543.31
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.