Home / 28,244.42-38,966.19-16,305.45

Finding the Fourth Proportional to 28,244.42, 38,966.19 and 16,305.45

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Solution

The fourth proportional to 28,244.42, 38,966.19 and 16,305.45 is: 22,495.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.42 : 38,966.19 = 16,305.45 : x
  2. Step 2: Convert to fraction form
    28,244.42/38,966.19 = 16,305.45/x
  3. Step 3: Cross multiply
    28,244.42x = 38,966.19 × 16,305.45
  4. Step 4: Simplify right side
    28,244.42x = 635,361,320.51
  5. Step 5: Solve for x
    x = 635,361,320.51/28,244.42
  6. Step 6: Final answer
    x = 22,495.11

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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.