Home / 25,622.80-38,435.40-7,609.18

Finding the Fourth Proportional to 25,622.80, 38,435.40 and 7,609.18

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Solution

The fourth proportional to 25,622.80, 38,435.40 and 7,609.18 is: 11,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,622.80 : 38,435.40 = 7,609.18 : x
  2. Step 2: Convert to fraction form
    25,622.80/38,435.40 = 7,609.18/x
  3. Step 3: Cross multiply
    25,622.80x = 38,435.40 × 7,609.18
  4. Step 4: Simplify right side
    25,622.80x = 292,461,876.97
  5. Step 5: Solve for x
    x = 292,461,876.97/25,622.80
  6. Step 6: Final answer
    x = 11,414.13

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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.