Home / 26,685.36-40,014.45-8,909.64

Finding the Fourth Proportional to 26,685.36, 40,014.45 and 8,909.64

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Solution

The fourth proportional to 26,685.36, 40,014.45 and 8,909.64 is: 13,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.36 : 40,014.45 = 8,909.64 : x
  2. Step 2: Convert to fraction form
    26,685.36/40,014.45 = 8,909.64/x
  3. Step 3: Cross multiply
    26,685.36x = 40,014.45 × 8,909.64
  4. Step 4: Simplify right side
    26,685.36x = 356,514,344.30
  5. Step 5: Solve for x
    x = 356,514,344.30/26,685.36
  6. Step 6: Final answer
    x = 13,359.92

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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.