Home / 25,603.28-38,381.88-13,253.84

Finding the Fourth Proportional to 25,603.28, 38,381.88 and 13,253.84

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Solution

The fourth proportional to 25,603.28, 38,381.88 and 13,253.84 is: 19,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.28 : 38,381.88 = 13,253.84 : x
  2. Step 2: Convert to fraction form
    25,603.28/38,381.88 = 13,253.84/x
  3. Step 3: Cross multiply
    25,603.28x = 38,381.88 × 13,253.84
  4. Step 4: Simplify right side
    25,603.28x = 508,707,296.42
  5. Step 5: Solve for x
    x = 508,707,296.42/25,603.28
  6. Step 6: Final answer
    x = 19,868.83

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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.