Home / 31,825.28-43,918.08-17,679.36

Finding the Fourth Proportional to 31,825.28, 43,918.08 and 17,679.36

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Solution

The fourth proportional to 31,825.28, 43,918.08 and 17,679.36 is: 24,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.28 : 43,918.08 = 17,679.36 : x
  2. Step 2: Convert to fraction form
    31,825.28/43,918.08 = 17,679.36/x
  3. Step 3: Cross multiply
    31,825.28x = 43,918.08 × 17,679.36
  4. Step 4: Simplify right side
    31,825.28x = 776,443,546.83
  5. Step 5: Solve for x
    x = 776,443,546.83/31,825.28
  6. Step 6: Final answer
    x = 24,397.07

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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.