Home / 39,945.92-59,926.56-15,320

Finding the Fourth Proportional to 39,945.92, 59,926.56 and 15,320

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Solution

The fourth proportional to 39,945.92, 59,926.56 and 15,320 is: 22,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.92 : 59,926.56 = 15,320 : x
  2. Step 2: Convert to fraction form
    39,945.92/59,926.56 = 15,320/x
  3. Step 3: Cross multiply
    39,945.92x = 59,926.56 × 15,320
  4. Step 4: Simplify right side
    39,945.92x = 918,074,899.20
  5. Step 5: Solve for x
    x = 918,074,899.20/39,945.92
  6. Step 6: Final answer
    x = 22,982.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.