Home / 26,397.26-36,422.31-15,785.18

Finding the Fourth Proportional to 26,397.26, 36,422.31 and 15,785.18

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Solution

The fourth proportional to 26,397.26, 36,422.31 and 15,785.18 is: 21,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,397.26 : 36,422.31 = 15,785.18 : x
  2. Step 2: Convert to fraction form
    26,397.26/36,422.31 = 15,785.18/x
  3. Step 3: Cross multiply
    26,397.26x = 36,422.31 × 15,785.18
  4. Step 4: Simplify right side
    26,397.26x = 574,932,719.37
  5. Step 5: Solve for x
    x = 574,932,719.37/26,397.26
  6. Step 6: Final answer
    x = 21,780.02

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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.