Home / 26,937.20-40,405.80-17,087.60

Finding the Fourth Proportional to 26,937.20, 40,405.80 and 17,087.60

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Solution

The fourth proportional to 26,937.20, 40,405.80 and 17,087.60 is: 25,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.20 : 40,405.80 = 17,087.60 : x
  2. Step 2: Convert to fraction form
    26,937.20/40,405.80 = 17,087.60/x
  3. Step 3: Cross multiply
    26,937.20x = 40,405.80 × 17,087.60
  4. Step 4: Simplify right side
    26,937.20x = 690,438,148.08
  5. Step 5: Solve for x
    x = 690,438,148.08/26,937.20
  6. Step 6: Final answer
    x = 25,631.40

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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.