Home / 27,884.53-38,478.27-15,945.94

Finding the Fourth Proportional to 27,884.53, 38,478.27 and 15,945.94

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Solution

The fourth proportional to 27,884.53, 38,478.27 and 15,945.94 is: 22,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884.53 : 38,478.27 = 15,945.94 : x
  2. Step 2: Convert to fraction form
    27,884.53/38,478.27 = 15,945.94/x
  3. Step 3: Cross multiply
    27,884.53x = 38,478.27 × 15,945.94
  4. Step 4: Simplify right side
    27,884.53x = 613,572,184.72
  5. Step 5: Solve for x
    x = 613,572,184.72/27,884.53
  6. Step 6: Final answer
    x = 22,004.04

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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.