Home / 20,502.24-30,753.36-15,829.08

Finding the Fourth Proportional to 20,502.24, 30,753.36 and 15,829.08

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Solution

The fourth proportional to 20,502.24, 30,753.36 and 15,829.08 is: 23,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.24 : 30,753.36 = 15,829.08 : x
  2. Step 2: Convert to fraction form
    20,502.24/30,753.36 = 15,829.08/x
  3. Step 3: Cross multiply
    20,502.24x = 30,753.36 × 15,829.08
  4. Step 4: Simplify right side
    20,502.24x = 486,797,395.71
  5. Step 5: Solve for x
    x = 486,797,395.71/20,502.24
  6. Step 6: Final answer
    x = 23,743.62

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1.5x scale

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.