Home / 27,279.35-37,639.85-15,946.65

Finding the Fourth Proportional to 27,279.35, 37,639.85 and 15,946.65

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Solution

The fourth proportional to 27,279.35, 37,639.85 and 15,946.65 is: 22,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.35 : 37,639.85 = 15,946.65 : x
  2. Step 2: Convert to fraction form
    27,279.35/37,639.85 = 15,946.65/x
  3. Step 3: Cross multiply
    27,279.35x = 37,639.85 × 15,946.65
  4. Step 4: Simplify right side
    27,279.35x = 600,229,434.27
  5. Step 5: Solve for x
    x = 600,229,434.27/27,279.35
  6. Step 6: Final answer
    x = 22,003.07

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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.