Home / 21,766.73-30,023.87-17,283.38

Finding the Fourth Proportional to 21,766.73, 30,023.87 and 17,283.38

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Solution

The fourth proportional to 21,766.73, 30,023.87 and 17,283.38 is: 23,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.73 : 30,023.87 = 17,283.38 : x
  2. Step 2: Convert to fraction form
    21,766.73/30,023.87 = 17,283.38/x
  3. Step 3: Cross multiply
    21,766.73x = 30,023.87 × 17,283.38
  4. Step 4: Simplify right side
    21,766.73x = 518,913,717.74
  5. Step 5: Solve for x
    x = 518,913,717.74/21,766.73
  6. Step 6: Final answer
    x = 23,839.77

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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.