Home / 26,756.16-40,121.01-15,665.64

Finding the Fourth Proportional to 26,756.16, 40,121.01 and 15,665.64

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Solution

The fourth proportional to 26,756.16, 40,121.01 and 15,665.64 is: 23,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.16 : 40,121.01 = 15,665.64 : x
  2. Step 2: Convert to fraction form
    26,756.16/40,121.01 = 15,665.64/x
  3. Step 3: Cross multiply
    26,756.16x = 40,121.01 × 15,665.64
  4. Step 4: Simplify right side
    26,756.16x = 628,521,299.10
  5. Step 5: Solve for x
    x = 628,521,299.10/26,756.16
  6. Step 6: Final answer
    x = 23,490.71

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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.