Home / 26,921.80-37,151.76-15,743.80

Finding the Fourth Proportional to 26,921.80, 37,151.76 and 15,743.80

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Solution

The fourth proportional to 26,921.80, 37,151.76 and 15,743.80 is: 21,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.80 : 37,151.76 = 15,743.80 : x
  2. Step 2: Convert to fraction form
    26,921.80/37,151.76 = 15,743.80/x
  3. Step 3: Cross multiply
    26,921.80x = 37,151.76 × 15,743.80
  4. Step 4: Simplify right side
    26,921.80x = 584,909,879.09
  5. Step 5: Solve for x
    x = 584,909,879.09/26,921.80
  6. Step 6: Final answer
    x = 21,726.25

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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.