Home / 27,424.28-37,849.25-15,782.25

Finding the Fourth Proportional to 27,424.28, 37,849.25 and 15,782.25

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Solution

The fourth proportional to 27,424.28, 37,849.25 and 15,782.25 is: 21,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.28 : 37,849.25 = 15,782.25 : x
  2. Step 2: Convert to fraction form
    27,424.28/37,849.25 = 15,782.25/x
  3. Step 3: Cross multiply
    27,424.28x = 37,849.25 × 15,782.25
  4. Step 4: Simplify right side
    27,424.28x = 597,346,365.27
  5. Step 5: Solve for x
    x = 597,346,365.27/27,424.28
  6. Step 6: Final answer
    x = 21,781.66

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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.