Home / 21,534.23-32,288.11-8,371.25

Finding the Fourth Proportional to 21,534.23, 32,288.11 and 8,371.25

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Solution

The fourth proportional to 21,534.23, 32,288.11 and 8,371.25 is: 12,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.23 : 32,288.11 = 8,371.25 : x
  2. Step 2: Convert to fraction form
    21,534.23/32,288.11 = 8,371.25/x
  3. Step 3: Cross multiply
    21,534.23x = 32,288.11 × 8,371.25
  4. Step 4: Simplify right side
    21,534.23x = 270,291,900.63
  5. Step 5: Solve for x
    x = 270,291,900.63/21,534.23
  6. Step 6: Final answer
    x = 12,551.74

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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.