Home / 27,809.82-38,377.33-15,062.70

Finding the Fourth Proportional to 27,809.82, 38,377.33 and 15,062.70

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Solution

The fourth proportional to 27,809.82, 38,377.33 and 15,062.70 is: 20,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.82 : 38,377.33 = 15,062.70 : x
  2. Step 2: Convert to fraction form
    27,809.82/38,377.33 = 15,062.70/x
  3. Step 3: Cross multiply
    27,809.82x = 38,377.33 × 15,062.70
  4. Step 4: Simplify right side
    27,809.82x = 578,066,314.85
  5. Step 5: Solve for x
    x = 578,066,314.85/27,809.82
  6. Step 6: Final answer
    x = 20,786.41

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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.