Home / 26,767.68-40,124.78-17,890.48

Finding the Fourth Proportional to 26,767.68, 40,124.78 and 17,890.48

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Solution

The fourth proportional to 26,767.68, 40,124.78 and 17,890.48 is: 26,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.68 : 40,124.78 = 17,890.48 : x
  2. Step 2: Convert to fraction form
    26,767.68/40,124.78 = 17,890.48/x
  3. Step 3: Cross multiply
    26,767.68x = 40,124.78 × 17,890.48
  4. Step 4: Simplify right side
    26,767.68x = 717,851,601.89
  5. Step 5: Solve for x
    x = 717,851,601.89/26,767.68
  6. Step 6: Final answer
    x = 26,817.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.