Home / 26,998.78-40,499.12-7,277.81

Finding the Fourth Proportional to 26,998.78, 40,499.12 and 7,277.81

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Solution

The fourth proportional to 26,998.78, 40,499.12 and 7,277.81 is: 10,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,998.78 : 40,499.12 = 7,277.81 : x
  2. Step 2: Convert to fraction form
    26,998.78/40,499.12 = 7,277.81/x
  3. Step 3: Cross multiply
    26,998.78x = 40,499.12 × 7,277.81
  4. Step 4: Simplify right side
    26,998.78x = 294,744,900.53
  5. Step 5: Solve for x
    x = 294,744,900.53/26,998.78
  6. Step 6: Final answer
    x = 10,916.97

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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.