Home / 52,807.28-72,872.46-28,933.13

Finding the Fourth Proportional to 52,807.28, 72,872.46 and 28,933.13

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Solution

The fourth proportional to 52,807.28, 72,872.46 and 28,933.13 is: 39,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,807.28 : 72,872.46 = 28,933.13 : x
  2. Step 2: Convert to fraction form
    52,807.28/72,872.46 = 28,933.13/x
  3. Step 3: Cross multiply
    52,807.28x = 72,872.46 × 28,933.13
  4. Step 4: Simplify right side
    52,807.28x = 2,108,428,540.78
  5. Step 5: Solve for x
    x = 2,108,428,540.78/52,807.28
  6. Step 6: Final answer
    x = 39,926.86

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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.