Home / 27,363.20-37,760.72-15,426.55

Finding the Fourth Proportional to 27,363.20, 37,760.72 and 15,426.55

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Solution

The fourth proportional to 27,363.20, 37,760.72 and 15,426.55 is: 21,288.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,363.20 : 37,760.72 = 15,426.55 : x
  2. Step 2: Convert to fraction form
    27,363.20/37,760.72 = 15,426.55/x
  3. Step 3: Cross multiply
    27,363.20x = 37,760.72 × 15,426.55
  4. Step 4: Simplify right side
    27,363.20x = 582,517,670.26
  5. Step 5: Solve for x
    x = 582,517,670.26/27,363.20
  6. Step 6: Final answer
    x = 21,288.36

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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.