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Finding the Fourth Proportional to 52,717.91, 72,750.02 and 28,844.24

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Solution

The fourth proportional to 52,717.91, 72,750.02 and 28,844.24 is: 39,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,717.91 : 72,750.02 = 28,844.24 : x
  2. Step 2: Convert to fraction form
    52,717.91/72,750.02 = 28,844.24/x
  3. Step 3: Cross multiply
    52,717.91x = 72,750.02 × 28,844.24
  4. Step 4: Simplify right side
    52,717.91x = 2,098,418,528.91
  5. Step 5: Solve for x
    x = 2,098,418,528.91/52,717.91
  6. Step 6: Final answer
    x = 39,804.66

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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.