Home / 26,276.28-36,247.77-17,778.78

Finding the Fourth Proportional to 26,276.28, 36,247.77 and 17,778.78

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Solution

The fourth proportional to 26,276.28, 36,247.77 and 17,778.78 is: 24,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,276.28 : 36,247.77 = 17,778.78 : x
  2. Step 2: Convert to fraction form
    26,276.28/36,247.77 = 17,778.78/x
  3. Step 3: Cross multiply
    26,276.28x = 36,247.77 × 17,778.78
  4. Step 4: Simplify right side
    26,276.28x = 644,441,128.32
  5. Step 5: Solve for x
    x = 644,441,128.32/26,276.28
  6. Step 6: Final answer
    x = 24,525.58

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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.