Home / 28,848.19-43,278.54-8,857.75

Finding the Fourth Proportional to 28,848.19, 43,278.54 and 8,857.75

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Solution

The fourth proportional to 28,848.19, 43,278.54 and 8,857.75 is: 13,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,848.19 : 43,278.54 = 8,857.75 : x
  2. Step 2: Convert to fraction form
    28,848.19/43,278.54 = 8,857.75/x
  3. Step 3: Cross multiply
    28,848.19x = 43,278.54 × 8,857.75
  4. Step 4: Simplify right side
    28,848.19x = 383,350,487.69
  5. Step 5: Solve for x
    x = 383,350,487.69/28,848.19
  6. Step 6: Final answer
    x = 13,288.55

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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.