Home / 23,427.38-32,329.38-12,816.78

Finding the Fourth Proportional to 23,427.38, 32,329.38 and 12,816.78

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Solution

The fourth proportional to 23,427.38, 32,329.38 and 12,816.78 is: 17,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,427.38 : 32,329.38 = 12,816.78 : x
  2. Step 2: Convert to fraction form
    23,427.38/32,329.38 = 12,816.78/x
  3. Step 3: Cross multiply
    23,427.38x = 32,329.38 × 12,816.78
  4. Step 4: Simplify right side
    23,427.38x = 414,358,551.00
  5. Step 5: Solve for x
    x = 414,358,551.00/23,427.38
  6. Step 6: Final answer
    x = 17,686.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.