Home / 27,360.56-37,757.64-15,423.92

Finding the Fourth Proportional to 27,360.56, 37,757.64 and 15,423.92

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Solution

The fourth proportional to 27,360.56, 37,757.64 and 15,423.92 is: 21,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,360.56 : 37,757.64 = 15,423.92 : x
  2. Step 2: Convert to fraction form
    27,360.56/37,757.64 = 15,423.92/x
  3. Step 3: Cross multiply
    27,360.56x = 37,757.64 × 15,423.92
  4. Step 4: Simplify right side
    27,360.56x = 582,370,818.75
  5. Step 5: Solve for x
    x = 582,370,818.75/27,360.56
  6. Step 6: Final answer
    x = 21,285.05

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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.