Home / 22,778.55-34,114.97-21,990.15

Finding the Fourth Proportional to 22,778.55, 34,114.97 and 21,990.15

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Solution

The fourth proportional to 22,778.55, 34,114.97 and 21,990.15 is: 32,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,778.55 : 34,114.97 = 21,990.15 : x
  2. Step 2: Convert to fraction form
    22,778.55/34,114.97 = 21,990.15/x
  3. Step 3: Cross multiply
    22,778.55x = 34,114.97 × 21,990.15
  4. Step 4: Simplify right side
    22,778.55x = 750,193,362.52
  5. Step 5: Solve for x
    x = 750,193,362.52/22,778.55
  6. Step 6: Final answer
    x = 32,934.20

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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.