Home / 21,443.28-32,164.92-5,861.32

Finding the Fourth Proportional to 21,443.28, 32,164.92 and 5,861.32

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Solution

The fourth proportional to 21,443.28, 32,164.92 and 5,861.32 is: 8,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.28 : 32,164.92 = 5,861.32 : x
  2. Step 2: Convert to fraction form
    21,443.28/32,164.92 = 5,861.32/x
  3. Step 3: Cross multiply
    21,443.28x = 32,164.92 × 5,861.32
  4. Step 4: Simplify right side
    21,443.28x = 188,528,888.89
  5. Step 5: Solve for x
    x = 188,528,888.89/21,443.28
  6. Step 6: Final answer
    x = 8,791.98

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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.