Home / 26,721.90-36,863.10-22,785.30

Finding the Fourth Proportional to 26,721.90, 36,863.10 and 22,785.30

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Solution

The fourth proportional to 26,721.90, 36,863.10 and 22,785.30 is: 31,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.90 : 36,863.10 = 22,785.30 : x
  2. Step 2: Convert to fraction form
    26,721.90/36,863.10 = 22,785.30/x
  3. Step 3: Cross multiply
    26,721.90x = 36,863.10 × 22,785.30
  4. Step 4: Simplify right side
    26,721.90x = 839,936,792.43
  5. Step 5: Solve for x
    x = 839,936,792.43/26,721.90
  6. Step 6: Final answer
    x = 31,432.53

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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.