Home / 35,427.38-53,121.83-17,618.92

Finding the Fourth Proportional to 35,427.38, 53,121.83 and 17,618.92

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Solution

The fourth proportional to 35,427.38, 53,121.83 and 17,618.92 is: 26,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,427.38 : 53,121.83 = 17,618.92 : x
  2. Step 2: Convert to fraction form
    35,427.38/53,121.83 = 17,618.92/x
  3. Step 3: Cross multiply
    35,427.38x = 53,121.83 × 17,618.92
  4. Step 4: Simplify right side
    35,427.38x = 935,949,052.12
  5. Step 5: Solve for x
    x = 935,949,052.12/35,427.38
  6. Step 6: Final answer
    x = 26,418.81

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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.