Home / 23,141.70-31,935.62-12,531.31

Finding the Fourth Proportional to 23,141.70, 31,935.62 and 12,531.31

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Solution

The fourth proportional to 23,141.70, 31,935.62 and 12,531.31 is: 17,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.70 : 31,935.62 = 12,531.31 : x
  2. Step 2: Convert to fraction form
    23,141.70/31,935.62 = 12,531.31/x
  3. Step 3: Cross multiply
    23,141.70x = 31,935.62 × 12,531.31
  4. Step 4: Simplify right side
    23,141.70x = 400,195,154.26
  5. Step 5: Solve for x
    x = 400,195,154.26/23,141.70
  6. Step 6: Final answer
    x = 17,293.25

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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.