Home / 52,581.24-72,561.70-28,707.88

Finding the Fourth Proportional to 52,581.24, 72,561.70 and 28,707.88

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Solution

The fourth proportional to 52,581.24, 72,561.70 and 28,707.88 is: 39,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,581.24 : 72,561.70 = 28,707.88 : x
  2. Step 2: Convert to fraction form
    52,581.24/72,561.70 = 28,707.88/x
  3. Step 3: Cross multiply
    52,581.24x = 72,561.70 × 28,707.88
  4. Step 4: Simplify right side
    52,581.24x = 2,083,092,576.20
  5. Step 5: Solve for x
    x = 2,083,092,576.20/52,581.24
  6. Step 6: Final answer
    x = 39,616.65

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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.