Home / 28,079.19-38,746.35-16,144.25

Finding the Fourth Proportional to 28,079.19, 38,746.35 and 16,144.25

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Solution

The fourth proportional to 28,079.19, 38,746.35 and 16,144.25 is: 22,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.19 : 38,746.35 = 16,144.25 : x
  2. Step 2: Convert to fraction form
    28,079.19/38,746.35 = 16,144.25/x
  3. Step 3: Cross multiply
    28,079.19x = 38,746.35 × 16,144.25
  4. Step 4: Simplify right side
    28,079.19x = 625,530,567.26
  5. Step 5: Solve for x
    x = 625,530,567.26/28,079.19
  6. Step 6: Final answer
    x = 22,277.37

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Half scale
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Double scale
Find fourth proportional to 28,080.19, 38,747.73 and 16,145.25
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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.