Home / 39,215.28-58,833.90-15,858.12

Finding the Fourth Proportional to 39,215.28, 58,833.90 and 15,858.12

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Solution

The fourth proportional to 39,215.28, 58,833.90 and 15,858.12 is: 23,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.28 : 58,833.90 = 15,858.12 : x
  2. Step 2: Convert to fraction form
    39,215.28/58,833.90 = 15,858.12/x
  3. Step 3: Cross multiply
    39,215.28x = 58,833.90 × 15,858.12
  4. Step 4: Simplify right side
    39,215.28x = 932,995,046.27
  5. Step 5: Solve for x
    x = 932,995,046.27/39,215.28
  6. Step 6: Final answer
    x = 23,791.62

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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.