Home / 22,902.75-34,309.40-15,785.72

Finding the Fourth Proportional to 22,902.75, 34,309.40 and 15,785.72

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Solution

The fourth proportional to 22,902.75, 34,309.40 and 15,785.72 is: 23,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.75 : 34,309.40 = 15,785.72 : x
  2. Step 2: Convert to fraction form
    22,902.75/34,309.40 = 15,785.72/x
  3. Step 3: Cross multiply
    22,902.75x = 34,309.40 × 15,785.72
  4. Step 4: Simplify right side
    22,902.75x = 541,598,331.29
  5. Step 5: Solve for x
    x = 541,598,331.29/22,902.75
  6. Step 6: Final answer
    x = 23,647.74

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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.