Home / 26,730.20-36,891.58-15,397.49

Finding the Fourth Proportional to 26,730.20, 36,891.58 and 15,397.49

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Solution

The fourth proportional to 26,730.20, 36,891.58 and 15,397.49 is: 21,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.20 : 36,891.58 = 15,397.49 : x
  2. Step 2: Convert to fraction form
    26,730.20/36,891.58 = 15,397.49/x
  3. Step 3: Cross multiply
    26,730.20x = 36,891.58 × 15,397.49
  4. Step 4: Simplify right side
    26,730.20x = 568,037,734.13
  5. Step 5: Solve for x
    x = 568,037,734.13/26,730.20
  6. Step 6: Final answer
    x = 21,250.79

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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.