Home / 38,298.27-52,851.11-21,531.27

Finding the Fourth Proportional to 38,298.27, 52,851.11 and 21,531.27

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Solution

The fourth proportional to 38,298.27, 52,851.11 and 21,531.27 is: 29,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298.27 : 52,851.11 = 21,531.27 : x
  2. Step 2: Convert to fraction form
    38,298.27/52,851.11 = 21,531.27/x
  3. Step 3: Cross multiply
    38,298.27x = 52,851.11 × 21,531.27
  4. Step 4: Simplify right side
    38,298.27x = 1,137,951,411.55
  5. Step 5: Solve for x
    x = 1,137,951,411.55/38,298.27
  6. Step 6: Final answer
    x = 29,712.87

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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.