Home / 25,286.40-34,894.68-14,531.28

Finding the Fourth Proportional to 25,286.40, 34,894.68 and 14,531.28

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Solution

The fourth proportional to 25,286.40, 34,894.68 and 14,531.28 is: 20,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,286.40 : 34,894.68 = 14,531.28 : x
  2. Step 2: Convert to fraction form
    25,286.40/34,894.68 = 14,531.28/x
  3. Step 3: Cross multiply
    25,286.40x = 34,894.68 × 14,531.28
  4. Step 4: Simplify right side
    25,286.40x = 507,064,365.59
  5. Step 5: Solve for x
    x = 507,064,365.59/25,286.40
  6. Step 6: Final answer
    x = 20,052.85

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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.