Home / 26,928.68-40,390.14-9,398.84

Finding the Fourth Proportional to 26,928.68, 40,390.14 and 9,398.84

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Solution

The fourth proportional to 26,928.68, 40,390.14 and 9,398.84 is: 14,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.68 : 40,390.14 = 9,398.84 : x
  2. Step 2: Convert to fraction form
    26,928.68/40,390.14 = 9,398.84/x
  3. Step 3: Cross multiply
    26,928.68x = 40,390.14 × 9,398.84
  4. Step 4: Simplify right side
    26,928.68x = 379,620,463.44
  5. Step 5: Solve for x
    x = 379,620,463.44/26,928.68
  6. Step 6: Final answer
    x = 14,097.25

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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.