Home / 25,382.40-38,107.80-14,863.20

Finding the Fourth Proportional to 25,382.40, 38,107.80 and 14,863.20

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Solution

The fourth proportional to 25,382.40, 38,107.80 and 14,863.20 is: 22,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.40 : 38,107.80 = 14,863.20 : x
  2. Step 2: Convert to fraction form
    25,382.40/38,107.80 = 14,863.20/x
  3. Step 3: Cross multiply
    25,382.40x = 38,107.80 × 14,863.20
  4. Step 4: Simplify right side
    25,382.40x = 566,403,852.96
  5. Step 5: Solve for x
    x = 566,403,852.96/25,382.40
  6. Step 6: Final answer
    x = 22,314.83

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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.