Home / 27,908.20-38,502.42-15,965.16

Finding the Fourth Proportional to 27,908.20, 38,502.42 and 15,965.16

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Solution

The fourth proportional to 27,908.20, 38,502.42 and 15,965.16 is: 22,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.20 : 38,502.42 = 15,965.16 : x
  2. Step 2: Convert to fraction form
    27,908.20/38,502.42 = 15,965.16/x
  3. Step 3: Cross multiply
    27,908.20x = 38,502.42 × 15,965.16
  4. Step 4: Simplify right side
    27,908.20x = 614,697,295.69
  5. Step 5: Solve for x
    x = 614,697,295.69/27,908.20
  6. Step 6: Final answer
    x = 22,025.69

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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.