Home / 26,420.27-36,471.60-18,493.61

Finding the Fourth Proportional to 26,420.27, 36,471.60 and 18,493.61

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Solution

The fourth proportional to 26,420.27, 36,471.60 and 18,493.61 is: 25,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.27 : 36,471.60 = 18,493.61 : x
  2. Step 2: Convert to fraction form
    26,420.27/36,471.60 = 18,493.61/x
  3. Step 3: Cross multiply
    26,420.27x = 36,471.60 × 18,493.61
  4. Step 4: Simplify right side
    26,420.27x = 674,491,364.12
  5. Step 5: Solve for x
    x = 674,491,364.12/26,420.27
  6. Step 6: Final answer
    x = 25,529.32

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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.