Home / 21,576.66-29,784.15-16,862.46

Finding the Fourth Proportional to 21,576.66, 29,784.15 and 16,862.46

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Solution

The fourth proportional to 21,576.66, 29,784.15 and 16,862.46 is: 23,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.66 : 29,784.15 = 16,862.46 : x
  2. Step 2: Convert to fraction form
    21,576.66/29,784.15 = 16,862.46/x
  3. Step 3: Cross multiply
    21,576.66x = 29,784.15 × 16,862.46
  4. Step 4: Simplify right side
    21,576.66x = 502,234,038.01
  5. Step 5: Solve for x
    x = 502,234,038.01/21,576.66
  6. Step 6: Final answer
    x = 23,276.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.