Home / 25,899.04-38,765.01-13,401.87

Finding the Fourth Proportional to 25,899.04, 38,765.01 and 13,401.87

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Solution

The fourth proportional to 25,899.04, 38,765.01 and 13,401.87 is: 20,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.04 : 38,765.01 = 13,401.87 : x
  2. Step 2: Convert to fraction form
    25,899.04/38,765.01 = 13,401.87/x
  3. Step 3: Cross multiply
    25,899.04x = 38,765.01 × 13,401.87
  4. Step 4: Simplify right side
    25,899.04x = 519,523,624.57
  5. Step 5: Solve for x
    x = 519,523,624.57/25,899.04
  6. Step 6: Final answer
    x = 20,059.57

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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.