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Finding the Fourth Proportional to 22,679.48, 34,031.53 and 10,992.71

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Solution

The fourth proportional to 22,679.48, 34,031.53 and 10,992.71 is: 16,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.48 : 34,031.53 = 10,992.71 : x
  2. Step 2: Convert to fraction form
    22,679.48/34,031.53 = 10,992.71/x
  3. Step 3: Cross multiply
    22,679.48x = 34,031.53 × 10,992.71
  4. Step 4: Simplify right side
    22,679.48x = 374,098,542.51
  5. Step 5: Solve for x
    x = 374,098,542.51/22,679.48
  6. Step 6: Final answer
    x = 16,495.02

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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.