Home / 27,521.10-37,979.25-15,586.74

Finding the Fourth Proportional to 27,521.10, 37,979.25 and 15,586.74

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Solution

The fourth proportional to 27,521.10, 37,979.25 and 15,586.74 is: 21,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.10 : 37,979.25 = 15,586.74 : x
  2. Step 2: Convert to fraction form
    27,521.10/37,979.25 = 15,586.74/x
  3. Step 3: Cross multiply
    27,521.10x = 37,979.25 × 15,586.74
  4. Step 4: Simplify right side
    27,521.10x = 591,972,695.15
  5. Step 5: Solve for x
    x = 591,972,695.15/27,521.10
  6. Step 6: Final answer
    x = 21,509.78

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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.