Home / 21,604.15-32,407.80-7,562.62

Finding the Fourth Proportional to 21,604.15, 32,407.80 and 7,562.62

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Solution

The fourth proportional to 21,604.15, 32,407.80 and 7,562.62 is: 11,344.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,604.15 : 32,407.80 = 7,562.62 : x
  2. Step 2: Convert to fraction form
    21,604.15/32,407.80 = 7,562.62/x
  3. Step 3: Cross multiply
    21,604.15x = 32,407.80 × 7,562.62
  4. Step 4: Simplify right side
    21,604.15x = 245,087,876.44
  5. Step 5: Solve for x
    x = 245,087,876.44/21,604.15
  6. Step 6: Final answer
    x = 11,344.48

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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.