Home / 52,381.53-72,284.13-28,508.13

Finding the Fourth Proportional to 52,381.53, 72,284.13 and 28,508.13

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Solution

The fourth proportional to 52,381.53, 72,284.13 and 28,508.13 is: 39,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,381.53 : 72,284.13 = 28,508.13 : x
  2. Step 2: Convert to fraction form
    52,381.53/72,284.13 = 28,508.13/x
  3. Step 3: Cross multiply
    52,381.53x = 72,284.13 × 28,508.13
  4. Step 4: Simplify right side
    52,381.53x = 2,060,685,374.98
  5. Step 5: Solve for x
    x = 2,060,685,374.98/52,381.53
  6. Step 6: Final answer
    x = 39,339.92

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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.