Home / 21,705.50-32,562.48-9,225.38

Finding the Fourth Proportional to 21,705.50, 32,562.48 and 9,225.38

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Solution

The fourth proportional to 21,705.50, 32,562.48 and 9,225.38 is: 13,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,705.50 : 32,562.48 = 9,225.38 : x
  2. Step 2: Convert to fraction form
    21,705.50/32,562.48 = 9,225.38/x
  3. Step 3: Cross multiply
    21,705.50x = 32,562.48 × 9,225.38
  4. Step 4: Simplify right side
    21,705.50x = 300,401,251.74
  5. Step 5: Solve for x
    x = 300,401,251.74/21,705.50
  6. Step 6: Final answer
    x = 13,839.87

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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.