Home / 21,387.75-32,094.99-10,295.61

Finding the Fourth Proportional to 21,387.75, 32,094.99 and 10,295.61

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Solution

The fourth proportional to 21,387.75, 32,094.99 and 10,295.61 is: 15,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387.75 : 32,094.99 = 10,295.61 : x
  2. Step 2: Convert to fraction form
    21,387.75/32,094.99 = 10,295.61/x
  3. Step 3: Cross multiply
    21,387.75x = 32,094.99 × 10,295.61
  4. Step 4: Simplify right side
    21,387.75x = 330,437,499.99
  5. Step 5: Solve for x
    x = 330,437,499.99/21,387.75
  6. Step 6: Final answer
    x = 15,449.85

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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.