Home / 21,610.85-32,364.02-17,885.66

Finding the Fourth Proportional to 21,610.85, 32,364.02 and 17,885.66

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Solution

The fourth proportional to 21,610.85, 32,364.02 and 17,885.66 is: 26,785.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.85 : 32,364.02 = 17,885.66 : x
  2. Step 2: Convert to fraction form
    21,610.85/32,364.02 = 17,885.66/x
  3. Step 3: Cross multiply
    21,610.85x = 32,364.02 × 17,885.66
  4. Step 4: Simplify right side
    21,610.85x = 578,851,606.70
  5. Step 5: Solve for x
    x = 578,851,606.70/21,610.85
  6. Step 6: Final answer
    x = 26,785.24

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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.