Home / 26,687.52-40,009.68-11,116.80

Finding the Fourth Proportional to 26,687.52, 40,009.68 and 11,116.80

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Solution

The fourth proportional to 26,687.52, 40,009.68 and 11,116.80 is: 16,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.52 : 40,009.68 = 11,116.80 : x
  2. Step 2: Convert to fraction form
    26,687.52/40,009.68 = 11,116.80/x
  3. Step 3: Cross multiply
    26,687.52x = 40,009.68 × 11,116.80
  4. Step 4: Simplify right side
    26,687.52x = 444,779,610.62
  5. Step 5: Solve for x
    x = 444,779,610.62/26,687.52
  6. Step 6: Final answer
    x = 16,666.20

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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.