Home / 27,215.79-37,558.49-15,280.04

Finding the Fourth Proportional to 27,215.79, 37,558.49 and 15,280.04

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Solution

The fourth proportional to 27,215.79, 37,558.49 and 15,280.04 is: 21,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.79 : 37,558.49 = 15,280.04 : x
  2. Step 2: Convert to fraction form
    27,215.79/37,558.49 = 15,280.04/x
  3. Step 3: Cross multiply
    27,215.79x = 37,558.49 × 15,280.04
  4. Step 4: Simplify right side
    27,215.79x = 573,895,229.54
  5. Step 5: Solve for x
    x = 573,895,229.54/27,215.79
  6. Step 6: Final answer
    x = 21,086.85

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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.