Home / 27,743.43-38,285.76-15,168.18

Finding the Fourth Proportional to 27,743.43, 38,285.76 and 15,168.18

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Solution

The fourth proportional to 27,743.43, 38,285.76 and 15,168.18 is: 20,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,743.43 : 38,285.76 = 15,168.18 : x
  2. Step 2: Convert to fraction form
    27,743.43/38,285.76 = 15,168.18/x
  3. Step 3: Cross multiply
    27,743.43x = 38,285.76 × 15,168.18
  4. Step 4: Simplify right side
    27,743.43x = 580,725,299.12
  5. Step 5: Solve for x
    x = 580,725,299.12/27,743.43
  6. Step 6: Final answer
    x = 20,931.99

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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.