Home / 26,921.25-37,151.33-15,743.25

Finding the Fourth Proportional to 26,921.25, 37,151.33 and 15,743.25

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Solution

The fourth proportional to 26,921.25, 37,151.33 and 15,743.25 is: 21,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.25 : 37,151.33 = 15,743.25 : x
  2. Step 2: Convert to fraction form
    26,921.25/37,151.33 = 15,743.25/x
  3. Step 3: Cross multiply
    26,921.25x = 37,151.33 × 15,743.25
  4. Step 4: Simplify right side
    26,921.25x = 584,882,597.31
  5. Step 5: Solve for x
    x = 584,882,597.31/26,921.25
  6. Step 6: Final answer
    x = 21,725.69

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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.