Home / 21,365.28-32,042.66-9,676.17

Finding the Fourth Proportional to 21,365.28, 32,042.66 and 9,676.17

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Solution

The fourth proportional to 21,365.28, 32,042.66 and 9,676.17 is: 14,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.28 : 32,042.66 = 9,676.17 : x
  2. Step 2: Convert to fraction form
    21,365.28/32,042.66 = 9,676.17/x
  3. Step 3: Cross multiply
    21,365.28x = 32,042.66 × 9,676.17
  4. Step 4: Simplify right side
    21,365.28x = 310,050,177.03
  5. Step 5: Solve for x
    x = 310,050,177.03/21,365.28
  6. Step 6: Final answer
    x = 14,511.87

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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.