Home / 25,648.14-38,471.49-13,984.14

Finding the Fourth Proportional to 25,648.14, 38,471.49 and 13,984.14

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Solution

The fourth proportional to 25,648.14, 38,471.49 and 13,984.14 is: 20,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.14 : 38,471.49 = 13,984.14 : x
  2. Step 2: Convert to fraction form
    25,648.14/38,471.49 = 13,984.14/x
  3. Step 3: Cross multiply
    25,648.14x = 38,471.49 × 13,984.14
  4. Step 4: Simplify right side
    25,648.14x = 537,990,702.17
  5. Step 5: Solve for x
    x = 537,990,702.17/25,648.14
  6. Step 6: Final answer
    x = 20,975.82

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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.