Home / 23,928.60-35,907.88-9,138.80

Finding the Fourth Proportional to 23,928.60, 35,907.88 and 9,138.80

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Solution

The fourth proportional to 23,928.60, 35,907.88 and 9,138.80 is: 13,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,928.60 : 35,907.88 = 9,138.80 : x
  2. Step 2: Convert to fraction form
    23,928.60/35,907.88 = 9,138.80/x
  3. Step 3: Cross multiply
    23,928.60x = 35,907.88 × 9,138.80
  4. Step 4: Simplify right side
    23,928.60x = 328,154,933.74
  5. Step 5: Solve for x
    x = 328,154,933.74/23,928.60
  6. Step 6: Final answer
    x = 13,713.92

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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.