Home / 21,489.15-32,235.27-8,996.59

Finding the Fourth Proportional to 21,489.15, 32,235.27 and 8,996.59

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Solution

The fourth proportional to 21,489.15, 32,235.27 and 8,996.59 is: 13,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489.15 : 32,235.27 = 8,996.59 : x
  2. Step 2: Convert to fraction form
    21,489.15/32,235.27 = 8,996.59/x
  3. Step 3: Cross multiply
    21,489.15x = 32,235.27 × 8,996.59
  4. Step 4: Simplify right side
    21,489.15x = 290,007,507.73
  5. Step 5: Solve for x
    x = 290,007,507.73/21,489.15
  6. Step 6: Final answer
    x = 13,495.53

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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.