Home / 57,862.40-86,792.67-18,418.95

Finding the Fourth Proportional to 57,862.40, 86,792.67 and 18,418.95

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Solution

The fourth proportional to 57,862.40, 86,792.67 and 18,418.95 is: 27,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,862.40 : 86,792.67 = 18,418.95 : x
  2. Step 2: Convert to fraction form
    57,862.40/86,792.67 = 18,418.95/x
  3. Step 3: Cross multiply
    57,862.40x = 86,792.67 × 18,418.95
  4. Step 4: Simplify right side
    57,862.40x = 1,598,629,849.10
  5. Step 5: Solve for x
    x = 1,598,629,849.10/57,862.40
  6. Step 6: Final answer
    x = 27,628.13

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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.