Home / 21,552.28-32,328.36-6,761.18

Finding the Fourth Proportional to 21,552.28, 32,328.36 and 6,761.18

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Solution

The fourth proportional to 21,552.28, 32,328.36 and 6,761.18 is: 10,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.28 : 32,328.36 = 6,761.18 : x
  2. Step 2: Convert to fraction form
    21,552.28/32,328.36 = 6,761.18/x
  3. Step 3: Cross multiply
    21,552.28x = 32,328.36 × 6,761.18
  4. Step 4: Simplify right side
    21,552.28x = 218,577,861.06
  5. Step 5: Solve for x
    x = 218,577,861.06/21,552.28
  6. Step 6: Final answer
    x = 10,141.75

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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.