Home / 26,451.89-36,503.59-15,121.63

Finding the Fourth Proportional to 26,451.89, 36,503.59 and 15,121.63

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Solution

The fourth proportional to 26,451.89, 36,503.59 and 15,121.63 is: 20,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.89 : 36,503.59 = 15,121.63 : x
  2. Step 2: Convert to fraction form
    26,451.89/36,503.59 = 15,121.63/x
  3. Step 3: Cross multiply
    26,451.89x = 36,503.59 × 15,121.63
  4. Step 4: Simplify right side
    26,451.89x = 551,993,797.30
  5. Step 5: Solve for x
    x = 551,993,797.30/26,451.89
  6. Step 6: Final answer
    x = 20,867.84

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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.