Home / 21,442.73-29,568.66-16,959.38

Finding the Fourth Proportional to 21,442.73, 29,568.66 and 16,959.38

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Solution

The fourth proportional to 21,442.73, 29,568.66 and 16,959.38 is: 23,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.73 : 29,568.66 = 16,959.38 : x
  2. Step 2: Convert to fraction form
    21,442.73/29,568.66 = 16,959.38/x
  3. Step 3: Cross multiply
    21,442.73x = 29,568.66 × 16,959.38
  4. Step 4: Simplify right side
    21,442.73x = 501,466,141.03
  5. Step 5: Solve for x
    x = 501,466,141.03/21,442.73
  6. Step 6: Final answer
    x = 23,386.30

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1.5x scale

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.