Home / 26,478.92-36,524.86-15,716.69

Finding the Fourth Proportional to 26,478.92, 36,524.86 and 15,716.69

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Solution

The fourth proportional to 26,478.92, 36,524.86 and 15,716.69 is: 21,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.92 : 36,524.86 = 15,716.69 : x
  2. Step 2: Convert to fraction form
    26,478.92/36,524.86 = 15,716.69/x
  3. Step 3: Cross multiply
    26,478.92x = 36,524.86 × 15,716.69
  4. Step 4: Simplify right side
    26,478.92x = 574,050,022.42
  5. Step 5: Solve for x
    x = 574,050,022.42/26,478.92
  6. Step 6: Final answer
    x = 21,679.51

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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.