Home / 25,640.04-38,436.30-13,132.53

Finding the Fourth Proportional to 25,640.04, 38,436.30 and 13,132.53

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Solution

The fourth proportional to 25,640.04, 38,436.30 and 13,132.53 is: 19,686.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640.04 : 38,436.30 = 13,132.53 : x
  2. Step 2: Convert to fraction form
    25,640.04/38,436.30 = 13,132.53/x
  3. Step 3: Cross multiply
    25,640.04x = 38,436.30 × 13,132.53
  4. Step 4: Simplify right side
    25,640.04x = 504,765,862.84
  5. Step 5: Solve for x
    x = 504,765,862.84/25,640.04
  6. Step 6: Final answer
    x = 19,686.63

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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.