Home / 17,981.86-26,972.92-5,502.11

Finding the Fourth Proportional to 17,981.86, 26,972.92 and 5,502.11

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Solution

The fourth proportional to 17,981.86, 26,972.92 and 5,502.11 is: 8,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.86 : 26,972.92 = 5,502.11 : x
  2. Step 2: Convert to fraction form
    17,981.86/26,972.92 = 5,502.11/x
  3. Step 3: Cross multiply
    17,981.86x = 26,972.92 × 5,502.11
  4. Step 4: Simplify right side
    17,981.86x = 148,407,972.86
  5. Step 5: Solve for x
    x = 148,407,972.86/17,981.86
  6. Step 6: Final answer
    x = 8,253.20

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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.