Home / 26,758.39-40,145.69-10,123.53

Finding the Fourth Proportional to 26,758.39, 40,145.69 and 10,123.53

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Solution

The fourth proportional to 26,758.39, 40,145.69 and 10,123.53 is: 15,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,758.39 : 40,145.69 = 10,123.53 : x
  2. Step 2: Convert to fraction form
    26,758.39/40,145.69 = 10,123.53/x
  3. Step 3: Cross multiply
    26,758.39x = 40,145.69 × 10,123.53
  4. Step 4: Simplify right side
    26,758.39x = 406,416,097.09
  5. Step 5: Solve for x
    x = 406,416,097.09/26,758.39
  6. Step 6: Final answer
    x = 15,188.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.