Home / 21,343.60-32,026.96-8,872.22

Finding the Fourth Proportional to 21,343.60, 32,026.96 and 8,872.22

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Solution

The fourth proportional to 21,343.60, 32,026.96 and 8,872.22 is: 13,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.60 : 32,026.96 = 8,872.22 : x
  2. Step 2: Convert to fraction form
    21,343.60/32,026.96 = 8,872.22/x
  3. Step 3: Cross multiply
    21,343.60x = 32,026.96 × 8,872.22
  4. Step 4: Simplify right side
    21,343.60x = 284,150,235.05
  5. Step 5: Solve for x
    x = 284,150,235.05/21,343.60
  6. Step 6: Final answer
    x = 13,313.14

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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.