Home / 26,613.61-36,730.11-15,286.65

Finding the Fourth Proportional to 26,613.61, 36,730.11 and 15,286.65

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Solution

The fourth proportional to 26,613.61, 36,730.11 and 15,286.65 is: 21,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.61 : 36,730.11 = 15,286.65 : x
  2. Step 2: Convert to fraction form
    26,613.61/36,730.11 = 15,286.65/x
  3. Step 3: Cross multiply
    26,613.61x = 36,730.11 × 15,286.65
  4. Step 4: Simplify right side
    26,613.61x = 561,480,336.03
  5. Step 5: Solve for x
    x = 561,480,336.03/26,613.61
  6. Step 6: Final answer
    x = 21,097.49

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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.