Home / 17,426.28-26,140.38-5,115.24

Finding the Fourth Proportional to 17,426.28, 26,140.38 and 5,115.24

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Solution

The fourth proportional to 17,426.28, 26,140.38 and 5,115.24 is: 7,673.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,426.28 : 26,140.38 = 5,115.24 : x
  2. Step 2: Convert to fraction form
    17,426.28/26,140.38 = 5,115.24/x
  3. Step 3: Cross multiply
    17,426.28x = 26,140.38 × 5,115.24
  4. Step 4: Simplify right side
    17,426.28x = 133,714,317.39
  5. Step 5: Solve for x
    x = 133,714,317.39/17,426.28
  6. Step 6: Final answer
    x = 7,673.14

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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.