Home / 26,941.74-40,387.67-13,765.05

Finding the Fourth Proportional to 26,941.74, 40,387.67 and 13,765.05

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Solution

The fourth proportional to 26,941.74, 40,387.67 and 13,765.05 is: 20,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,941.74 : 40,387.67 = 13,765.05 : x
  2. Step 2: Convert to fraction form
    26,941.74/40,387.67 = 13,765.05/x
  3. Step 3: Cross multiply
    26,941.74x = 40,387.67 × 13,765.05
  4. Step 4: Simplify right side
    26,941.74x = 555,938,228.11
  5. Step 5: Solve for x
    x = 555,938,228.11/26,941.74
  6. Step 6: Final answer
    x = 20,634.83

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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.