Home / 22,919.28-34,222.11-20,531.95

Finding the Fourth Proportional to 22,919.28, 34,222.11 and 20,531.95

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Solution

The fourth proportional to 22,919.28, 34,222.11 and 20,531.95 is: 30,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.28 : 34,222.11 = 20,531.95 : x
  2. Step 2: Convert to fraction form
    22,919.28/34,222.11 = 20,531.95/x
  3. Step 3: Cross multiply
    22,919.28x = 34,222.11 × 20,531.95
  4. Step 4: Simplify right side
    22,919.28x = 702,646,651.41
  5. Step 5: Solve for x
    x = 702,646,651.41/22,919.28
  6. Step 6: Final answer
    x = 30,657.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.