Home / 17,177.40-25,766.10-15,330.60

Finding the Fourth Proportional to 17,177.40, 25,766.10 and 15,330.60

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Solution

The fourth proportional to 17,177.40, 25,766.10 and 15,330.60 is: 22,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,177.40 : 25,766.10 = 15,330.60 : x
  2. Step 2: Convert to fraction form
    17,177.40/25,766.10 = 15,330.60/x
  3. Step 3: Cross multiply
    17,177.40x = 25,766.10 × 15,330.60
  4. Step 4: Simplify right side
    17,177.40x = 395,009,772.66
  5. Step 5: Solve for x
    x = 395,009,772.66/17,177.40
  6. Step 6: Final answer
    x = 22,995.90

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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.