Home / 21,810.08-32,635.12-17,851.60

Finding the Fourth Proportional to 21,810.08, 32,635.12 and 17,851.60

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Solution

The fourth proportional to 21,810.08, 32,635.12 and 17,851.60 is: 26,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.08 : 32,635.12 = 17,851.60 : x
  2. Step 2: Convert to fraction form
    21,810.08/32,635.12 = 17,851.60/x
  3. Step 3: Cross multiply
    21,810.08x = 32,635.12 × 17,851.60
  4. Step 4: Simplify right side
    21,810.08x = 582,589,108.19
  5. Step 5: Solve for x
    x = 582,589,108.19/21,810.08
  6. Step 6: Final answer
    x = 26,711.92

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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.