Home / 27,389.16-37,793.79-15,451.80

Finding the Fourth Proportional to 27,389.16, 37,793.79 and 15,451.80

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Solution

The fourth proportional to 27,389.16, 37,793.79 and 15,451.80 is: 21,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.16 : 37,793.79 = 15,451.80 : x
  2. Step 2: Convert to fraction form
    27,389.16/37,793.79 = 15,451.80/x
  3. Step 3: Cross multiply
    27,389.16x = 37,793.79 × 15,451.80
  4. Step 4: Simplify right side
    27,389.16x = 583,982,084.32
  5. Step 5: Solve for x
    x = 583,982,084.32/27,389.16
  6. Step 6: Final answer
    x = 21,321.65

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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.