Home / 25,236.45-34,785.32-20,184.48

Finding the Fourth Proportional to 25,236.45, 34,785.32 and 20,184.48

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Solution

The fourth proportional to 25,236.45, 34,785.32 and 20,184.48 is: 27,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,236.45 : 34,785.32 = 20,184.48 : x
  2. Step 2: Convert to fraction form
    25,236.45/34,785.32 = 20,184.48/x
  3. Step 3: Cross multiply
    25,236.45x = 34,785.32 × 20,184.48
  4. Step 4: Simplify right side
    25,236.45x = 702,123,494.91
  5. Step 5: Solve for x
    x = 702,123,494.91/25,236.45
  6. Step 6: Final answer
    x = 27,821.80

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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.