Home / 20,576.60-28,400.49-14,610.14

Finding the Fourth Proportional to 20,576.60, 28,400.49 and 14,610.14

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Solution

The fourth proportional to 20,576.60, 28,400.49 and 14,610.14 is: 20,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.60 : 28,400.49 = 14,610.14 : x
  2. Step 2: Convert to fraction form
    20,576.60/28,400.49 = 14,610.14/x
  3. Step 3: Cross multiply
    20,576.60x = 28,400.49 × 14,610.14
  4. Step 4: Simplify right side
    20,576.60x = 414,935,134.97
  5. Step 5: Solve for x
    x = 414,935,134.97/20,576.60
  6. Step 6: Final answer
    x = 20,165.39

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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.