Home / 26,391.89-39,389.61-22,818.20

Finding the Fourth Proportional to 26,391.89, 39,389.61 and 22,818.20

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Solution

The fourth proportional to 26,391.89, 39,389.61 and 22,818.20 is: 34,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.89 : 39,389.61 = 22,818.20 : x
  2. Step 2: Convert to fraction form
    26,391.89/39,389.61 = 22,818.20/x
  3. Step 3: Cross multiply
    26,391.89x = 39,389.61 × 22,818.20
  4. Step 4: Simplify right side
    26,391.89x = 898,799,801.95
  5. Step 5: Solve for x
    x = 898,799,801.95/26,391.89
  6. Step 6: Final answer
    x = 34,055.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.