Home / 26,761.51-40,147.90-10,121.17

Finding the Fourth Proportional to 26,761.51, 40,147.90 and 10,121.17

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Solution

The fourth proportional to 26,761.51, 40,147.90 and 10,121.17 is: 15,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,761.51 : 40,147.90 = 10,121.17 : x
  2. Step 2: Convert to fraction form
    26,761.51/40,147.90 = 10,121.17/x
  3. Step 3: Cross multiply
    26,761.51x = 40,147.90 × 10,121.17
  4. Step 4: Simplify right side
    26,761.51x = 406,343,721.04
  5. Step 5: Solve for x
    x = 406,343,721.04/26,761.51
  6. Step 6: Final answer
    x = 15,183.89

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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.