Home / 27,819.56-38,391.18-15,244.76

Finding the Fourth Proportional to 27,819.56, 38,391.18 and 15,244.76

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Solution

The fourth proportional to 27,819.56, 38,391.18 and 15,244.76 is: 21,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819.56 : 38,391.18 = 15,244.76 : x
  2. Step 2: Convert to fraction form
    27,819.56/38,391.18 = 15,244.76/x
  3. Step 3: Cross multiply
    27,819.56x = 38,391.18 × 15,244.76
  4. Step 4: Simplify right side
    27,819.56x = 585,264,325.22
  5. Step 5: Solve for x
    x = 585,264,325.22/27,819.56
  6. Step 6: Final answer
    x = 21,037.87

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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.