Home / 26,760.22-36,921.57-15,428.83

Finding the Fourth Proportional to 26,760.22, 36,921.57 and 15,428.83

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Solution

The fourth proportional to 26,760.22, 36,921.57 and 15,428.83 is: 21,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.22 : 36,921.57 = 15,428.83 : x
  2. Step 2: Convert to fraction form
    26,760.22/36,921.57 = 15,428.83/x
  3. Step 3: Cross multiply
    26,760.22x = 36,921.57 × 15,428.83
  4. Step 4: Simplify right side
    26,760.22x = 569,656,632.72
  5. Step 5: Solve for x
    x = 569,656,632.72/26,760.22
  6. Step 6: Final answer
    x = 21,287.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.