Home / 23,159.81-34,744.60-8,928.65

Finding the Fourth Proportional to 23,159.81, 34,744.60 and 8,928.65

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Solution

The fourth proportional to 23,159.81, 34,744.60 and 8,928.65 is: 13,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,159.81 : 34,744.60 = 8,928.65 : x
  2. Step 2: Convert to fraction form
    23,159.81/34,744.60 = 8,928.65/x
  3. Step 3: Cross multiply
    23,159.81x = 34,744.60 × 8,928.65
  4. Step 4: Simplify right side
    23,159.81x = 310,222,154.42
  5. Step 5: Solve for x
    x = 310,222,154.42/23,159.81
  6. Step 6: Final answer
    x = 13,394.85

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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.