Home / 52,761.49-72,809.17-28,886.74

Finding the Fourth Proportional to 52,761.49, 72,809.17 and 28,886.74

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Solution

The fourth proportional to 52,761.49, 72,809.17 and 28,886.74 is: 39,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.49 : 72,809.17 = 28,886.74 : x
  2. Step 2: Convert to fraction form
    52,761.49/72,809.17 = 28,886.74/x
  3. Step 3: Cross multiply
    52,761.49x = 72,809.17 × 28,886.74
  4. Step 4: Simplify right side
    52,761.49x = 2,103,219,309.17
  5. Step 5: Solve for x
    x = 2,103,219,309.17/52,761.49
  6. Step 6: Final answer
    x = 39,862.78

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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.