Home / 26,730.45-36,891.93-15,397.74

Finding the Fourth Proportional to 26,730.45, 36,891.93 and 15,397.74

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Solution

The fourth proportional to 26,730.45, 36,891.93 and 15,397.74 is: 21,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.45 : 36,891.93 = 15,397.74 : x
  2. Step 2: Convert to fraction form
    26,730.45/36,891.93 = 15,397.74/x
  3. Step 3: Cross multiply
    26,730.45x = 36,891.93 × 15,397.74
  4. Step 4: Simplify right side
    26,730.45x = 568,052,346.24
  5. Step 5: Solve for x
    x = 568,052,346.24/26,730.45
  6. Step 6: Final answer
    x = 21,251.13

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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.