Home / 21,652.86-32,482.70-9,172.97

Finding the Fourth Proportional to 21,652.86, 32,482.70 and 9,172.97

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Solution

The fourth proportional to 21,652.86, 32,482.70 and 9,172.97 is: 13,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.86 : 32,482.70 = 9,172.97 : x
  2. Step 2: Convert to fraction form
    21,652.86/32,482.70 = 9,172.97/x
  3. Step 3: Cross multiply
    21,652.86x = 32,482.70 × 9,172.97
  4. Step 4: Simplify right side
    21,652.86x = 297,962,624.34
  5. Step 5: Solve for x
    x = 297,962,624.34/21,652.86
  6. Step 6: Final answer
    x = 13,760.89

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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.