Home / 28,882.32-43,299.12-17,788.56

Finding the Fourth Proportional to 28,882.32, 43,299.12 and 17,788.56

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Solution

The fourth proportional to 28,882.32, 43,299.12 and 17,788.56 is: 26,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,882.32 : 43,299.12 = 17,788.56 : x
  2. Step 2: Convert to fraction form
    28,882.32/43,299.12 = 17,788.56/x
  3. Step 3: Cross multiply
    28,882.32x = 43,299.12 × 17,788.56
  4. Step 4: Simplify right side
    28,882.32x = 770,228,994.07
  5. Step 5: Solve for x
    x = 770,228,994.07/28,882.32
  6. Step 6: Final answer
    x = 26,667.84

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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.