Home / 21,580.28-32,370.48-5,997.90

Finding the Fourth Proportional to 21,580.28, 32,370.48 and 5,997.90

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Solution

The fourth proportional to 21,580.28, 32,370.48 and 5,997.90 is: 8,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.28 : 32,370.48 = 5,997.90 : x
  2. Step 2: Convert to fraction form
    21,580.28/32,370.48 = 5,997.90/x
  3. Step 3: Cross multiply
    21,580.28x = 32,370.48 × 5,997.90
  4. Step 4: Simplify right side
    21,580.28x = 194,154,901.99
  5. Step 5: Solve for x
    x = 194,154,901.99/21,580.28
  6. Step 6: Final answer
    x = 8,996.87

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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.