Home / 26,378.54-36,403.37-15,049.88

Finding the Fourth Proportional to 26,378.54, 36,403.37 and 15,049.88

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Solution

The fourth proportional to 26,378.54, 36,403.37 and 15,049.88 is: 20,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.54 : 36,403.37 = 15,049.88 : x
  2. Step 2: Convert to fraction form
    26,378.54/36,403.37 = 15,049.88/x
  3. Step 3: Cross multiply
    26,378.54x = 36,403.37 × 15,049.88
  4. Step 4: Simplify right side
    26,378.54x = 547,866,350.10
  5. Step 5: Solve for x
    x = 547,866,350.10/26,378.54
  6. Step 6: Final answer
    x = 20,769.40

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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.