Home / 21,443.52-32,165.28-5,861.28

Finding the Fourth Proportional to 21,443.52, 32,165.28 and 5,861.28

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Solution

The fourth proportional to 21,443.52, 32,165.28 and 5,861.28 is: 8,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.52 : 32,165.28 = 5,861.28 : x
  2. Step 2: Convert to fraction form
    21,443.52/32,165.28 = 5,861.28/x
  3. Step 3: Cross multiply
    21,443.52x = 32,165.28 × 5,861.28
  4. Step 4: Simplify right side
    21,443.52x = 188,529,712.36
  5. Step 5: Solve for x
    x = 188,529,712.36/21,443.52
  6. Step 6: Final answer
    x = 8,791.92

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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.