Home / 39,105.28-58,635.65-15,399.99

Finding the Fourth Proportional to 39,105.28, 58,635.65 and 15,399.99

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Solution

The fourth proportional to 39,105.28, 58,635.65 and 15,399.99 is: 23,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,105.28 : 58,635.65 = 15,399.99 : x
  2. Step 2: Convert to fraction form
    39,105.28/58,635.65 = 15,399.99/x
  3. Step 3: Cross multiply
    39,105.28x = 58,635.65 × 15,399.99
  4. Step 4: Simplify right side
    39,105.28x = 902,988,423.64
  5. Step 5: Solve for x
    x = 902,988,423.64/39,105.28
  6. Step 6: Final answer
    x = 23,091.21

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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.