Home / 25,386.28-38,104.02-12,247.89

Finding the Fourth Proportional to 25,386.28, 38,104.02 and 12,247.89

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Solution

The fourth proportional to 25,386.28, 38,104.02 and 12,247.89 is: 18,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.28 : 38,104.02 = 12,247.89 : x
  2. Step 2: Convert to fraction form
    25,386.28/38,104.02 = 12,247.89/x
  3. Step 3: Cross multiply
    25,386.28x = 38,104.02 × 12,247.89
  4. Step 4: Simplify right side
    25,386.28x = 466,693,845.52
  5. Step 5: Solve for x
    x = 466,693,845.52/25,386.28
  6. Step 6: Final answer
    x = 18,383.70

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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.