Home / 26,116.60-39,110.10-20,932.60

Finding the Fourth Proportional to 26,116.60, 39,110.10 and 20,932.60

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Solution

The fourth proportional to 26,116.60, 39,110.10 and 20,932.60 is: 31,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,116.60 : 39,110.10 = 20,932.60 : x
  2. Step 2: Convert to fraction form
    26,116.60/39,110.10 = 20,932.60/x
  3. Step 3: Cross multiply
    26,116.60x = 39,110.10 × 20,932.60
  4. Step 4: Simplify right side
    26,116.60x = 818,676,079.26
  5. Step 5: Solve for x
    x = 818,676,079.26/26,116.60
  6. Step 6: Final answer
    x = 31,346.96

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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.