Home / 22,775.58-34,139.96-8,731.80

Finding the Fourth Proportional to 22,775.58, 34,139.96 and 8,731.80

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Solution

The fourth proportional to 22,775.58, 34,139.96 and 8,731.80 is: 13,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,775.58 : 34,139.96 = 8,731.80 : x
  2. Step 2: Convert to fraction form
    22,775.58/34,139.96 = 8,731.80/x
  3. Step 3: Cross multiply
    22,775.58x = 34,139.96 × 8,731.80
  4. Step 4: Simplify right side
    22,775.58x = 298,103,302.73
  5. Step 5: Solve for x
    x = 298,103,302.73/22,775.58
  6. Step 6: Final answer
    x = 13,088.72

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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.