Home / 26,741.05-40,081.50-10,089.78

Finding the Fourth Proportional to 26,741.05, 40,081.50 and 10,089.78

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Solution

The fourth proportional to 26,741.05, 40,081.50 and 10,089.78 is: 15,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,741.05 : 40,081.50 = 10,089.78 : x
  2. Step 2: Convert to fraction form
    26,741.05/40,081.50 = 10,089.78/x
  3. Step 3: Cross multiply
    26,741.05x = 40,081.50 × 10,089.78
  4. Step 4: Simplify right side
    26,741.05x = 404,413,266.21
  5. Step 5: Solve for x
    x = 404,413,266.21/26,741.05
  6. Step 6: Final answer
    x = 15,123.32

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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.