Home / 31,625.36-43,642.60-17,285.12

Finding the Fourth Proportional to 31,625.36, 43,642.60 and 17,285.12

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Solution

The fourth proportional to 31,625.36, 43,642.60 and 17,285.12 is: 23,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.36 : 43,642.60 = 17,285.12 : x
  2. Step 2: Convert to fraction form
    31,625.36/43,642.60 = 17,285.12/x
  3. Step 3: Cross multiply
    31,625.36x = 43,642.60 × 17,285.12
  4. Step 4: Simplify right side
    31,625.36x = 754,367,578.11
  5. Step 5: Solve for x
    x = 754,367,578.11/31,625.36
  6. Step 6: Final answer
    x = 23,853.25

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Double scale
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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.