Home / 26,781.16-36,972.72-18,296.04

Finding the Fourth Proportional to 26,781.16, 36,972.72 and 18,296.04

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Solution

The fourth proportional to 26,781.16, 36,972.72 and 18,296.04 is: 25,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.16 : 36,972.72 = 18,296.04 : x
  2. Step 2: Convert to fraction form
    26,781.16/36,972.72 = 18,296.04/x
  3. Step 3: Cross multiply
    26,781.16x = 36,972.72 × 18,296.04
  4. Step 4: Simplify right side
    26,781.16x = 676,454,364.03
  5. Step 5: Solve for x
    x = 676,454,364.03/26,781.16
  6. Step 6: Final answer
    x = 25,258.59

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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.