Home / 22,778.48-31,398.36-17,179.76

Finding the Fourth Proportional to 22,778.48, 31,398.36 and 17,179.76

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Solution

The fourth proportional to 22,778.48, 31,398.36 and 17,179.76 is: 23,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.48 : 31,398.36 = 17,179.76 : x
  2. Step 2: Convert to fraction form
    22,778.48/31,398.36 = 17,179.76/x
  3. Step 3: Cross multiply
    22,778.48x = 31,398.36 × 17,179.76
  4. Step 4: Simplify right side
    22,778.48x = 539,416,289.19
  5. Step 5: Solve for x
    x = 539,416,289.19/22,778.48
  6. Step 6: Final answer
    x = 23,680.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.