Home / 23,661.78-35,517.29-17,428.83

Finding the Fourth Proportional to 23,661.78, 35,517.29 and 17,428.83

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Solution

The fourth proportional to 23,661.78, 35,517.29 and 17,428.83 is: 26,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,661.78 : 35,517.29 = 17,428.83 : x
  2. Step 2: Convert to fraction form
    23,661.78/35,517.29 = 17,428.83/x
  3. Step 3: Cross multiply
    23,661.78x = 35,517.29 × 17,428.83
  4. Step 4: Simplify right side
    23,661.78x = 619,024,809.47
  5. Step 5: Solve for x
    x = 619,024,809.47/23,661.78
  6. Step 6: Final answer
    x = 26,161.38

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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.