Home / 26,656.42-40,009.02-13,517.86

Finding the Fourth Proportional to 26,656.42, 40,009.02 and 13,517.86

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Solution

The fourth proportional to 26,656.42, 40,009.02 and 13,517.86 is: 20,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.42 : 40,009.02 = 13,517.86 : x
  2. Step 2: Convert to fraction form
    26,656.42/40,009.02 = 13,517.86/x
  3. Step 3: Cross multiply
    26,656.42x = 40,009.02 × 13,517.86
  4. Step 4: Simplify right side
    26,656.42x = 540,836,331.10
  5. Step 5: Solve for x
    x = 540,836,331.10/26,656.42
  6. Step 6: Final answer
    x = 20,289.16

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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.