Home / 25,549.79-38,330.83-8,019.61

Finding the Fourth Proportional to 25,549.79, 38,330.83 and 8,019.61

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Solution

The fourth proportional to 25,549.79, 38,330.83 and 8,019.61 is: 12,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,549.79 : 38,330.83 = 8,019.61 : x
  2. Step 2: Convert to fraction form
    25,549.79/38,330.83 = 8,019.61/x
  3. Step 3: Cross multiply
    25,549.79x = 38,330.83 × 8,019.61
  4. Step 4: Simplify right side
    25,549.79x = 307,398,115.92
  5. Step 5: Solve for x
    x = 307,398,115.92/25,549.79
  6. Step 6: Final answer
    x = 12,031.34

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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.