Home / 52,275.92-72,141.03-28,402.65

Finding the Fourth Proportional to 52,275.92, 72,141.03 and 28,402.65

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Solution

The fourth proportional to 52,275.92, 72,141.03 and 28,402.65 is: 39,195.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.92 : 72,141.03 = 28,402.65 : x
  2. Step 2: Convert to fraction form
    52,275.92/72,141.03 = 28,402.65/x
  3. Step 3: Cross multiply
    52,275.92x = 72,141.03 × 28,402.65
  4. Step 4: Simplify right side
    52,275.92x = 2,048,996,425.73
  5. Step 5: Solve for x
    x = 2,048,996,425.73/52,275.92
  6. Step 6: Final answer
    x = 39,195.80

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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.