Home / 26,287.20-39,437.08-8,757.18

Finding the Fourth Proportional to 26,287.20, 39,437.08 and 8,757.18

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Solution

The fourth proportional to 26,287.20, 39,437.08 and 8,757.18 is: 13,137.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.20 : 39,437.08 = 8,757.18 : x
  2. Step 2: Convert to fraction form
    26,287.20/39,437.08 = 8,757.18/x
  3. Step 3: Cross multiply
    26,287.20x = 39,437.08 × 8,757.18
  4. Step 4: Simplify right side
    26,287.20x = 345,357,586.34
  5. Step 5: Solve for x
    x = 345,357,586.34/26,287.20
  6. Step 6: Final answer
    x = 13,137.86

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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.