Home / 25,199.28-34,775.10-13,869.90

Finding the Fourth Proportional to 25,199.28, 34,775.10 and 13,869.90

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Solution

The fourth proportional to 25,199.28, 34,775.10 and 13,869.90 is: 19,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.28 : 34,775.10 = 13,869.90 : x
  2. Step 2: Convert to fraction form
    25,199.28/34,775.10 = 13,869.90/x
  3. Step 3: Cross multiply
    25,199.28x = 34,775.10 × 13,869.90
  4. Step 4: Simplify right side
    25,199.28x = 482,327,159.49
  5. Step 5: Solve for x
    x = 482,327,159.49/25,199.28
  6. Step 6: Final answer
    x = 19,140.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.