Home / 20,059.42-27,679.19-11,560.85

Finding the Fourth Proportional to 20,059.42, 27,679.19 and 11,560.85

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Solution

The fourth proportional to 20,059.42, 27,679.19 and 11,560.85 is: 15,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,059.42 : 27,679.19 = 11,560.85 : x
  2. Step 2: Convert to fraction form
    20,059.42/27,679.19 = 11,560.85/x
  3. Step 3: Cross multiply
    20,059.42x = 27,679.19 × 11,560.85
  4. Step 4: Simplify right side
    20,059.42x = 319,994,963.71
  5. Step 5: Solve for x
    x = 319,994,963.71/20,059.42
  6. Step 6: Final answer
    x = 15,952.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.