Home / 25,335.79-38,008.24-8,691.50

Finding the Fourth Proportional to 25,335.79, 38,008.24 and 8,691.50

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Solution

The fourth proportional to 25,335.79, 38,008.24 and 8,691.50 is: 13,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,335.79 : 38,008.24 = 8,691.50 : x
  2. Step 2: Convert to fraction form
    25,335.79/38,008.24 = 8,691.50/x
  3. Step 3: Cross multiply
    25,335.79x = 38,008.24 × 8,691.50
  4. Step 4: Simplify right side
    25,335.79x = 330,348,691.25
  5. Step 5: Solve for x
    x = 330,348,691.25/25,335.79
  6. Step 6: Final answer
    x = 13,038.82

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1.5x scale

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.