Home / 25,486.53-38,223.11-11,438.70

Finding the Fourth Proportional to 25,486.53, 38,223.11 and 11,438.70

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Solution

The fourth proportional to 25,486.53, 38,223.11 and 11,438.70 is: 17,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.53 : 38,223.11 = 11,438.70 : x
  2. Step 2: Convert to fraction form
    25,486.53/38,223.11 = 11,438.70/x
  3. Step 3: Cross multiply
    25,486.53x = 38,223.11 × 11,438.70
  4. Step 4: Simplify right side
    25,486.53x = 437,222,631.16
  5. Step 5: Solve for x
    x = 437,222,631.16/25,486.53
  6. Step 6: Final answer
    x = 17,155.05

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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.