Home / 52,427.16-72,349.11-28,553.76

Finding the Fourth Proportional to 52,427.16, 72,349.11 and 28,553.76

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Solution

The fourth proportional to 52,427.16, 72,349.11 and 28,553.76 is: 39,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,427.16 : 72,349.11 = 28,553.76 : x
  2. Step 2: Convert to fraction form
    52,427.16/72,349.11 = 28,553.76/x
  3. Step 3: Cross multiply
    52,427.16x = 72,349.11 × 28,553.76
  4. Step 4: Simplify right side
    52,427.16x = 2,065,839,123.15
  5. Step 5: Solve for x
    x = 2,065,839,123.15/52,427.16
  6. Step 6: Final answer
    x = 39,403.99

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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.