Home / 26,601.40-39,902.10-15,520.60

Finding the Fourth Proportional to 26,601.40, 39,902.10 and 15,520.60

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Solution

The fourth proportional to 26,601.40, 39,902.10 and 15,520.60 is: 23,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,601.40 : 39,902.10 = 15,520.60 : x
  2. Step 2: Convert to fraction form
    26,601.40/39,902.10 = 15,520.60/x
  3. Step 3: Cross multiply
    26,601.40x = 39,902.10 × 15,520.60
  4. Step 4: Simplify right side
    26,601.40x = 619,304,533.26
  5. Step 5: Solve for x
    x = 619,304,533.26/26,601.40
  6. Step 6: Final answer
    x = 23,280.90

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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.