Home / 52,561.92-72,535.20-28,688.16

Finding the Fourth Proportional to 52,561.92, 72,535.20 and 28,688.16

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Solution

The fourth proportional to 52,561.92, 72,535.20 and 28,688.16 is: 39,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,561.92 : 72,535.20 = 28,688.16 : x
  2. Step 2: Convert to fraction form
    52,561.92/72,535.20 = 28,688.16/x
  3. Step 3: Cross multiply
    52,561.92x = 72,535.20 × 28,688.16
  4. Step 4: Simplify right side
    52,561.92x = 2,080,901,423.23
  5. Step 5: Solve for x
    x = 2,080,901,423.23/52,561.92
  6. Step 6: Final answer
    x = 39,589.52

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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.