Home / 23,478.42-32,400.09-12,867.69

Finding the Fourth Proportional to 23,478.42, 32,400.09 and 12,867.69

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Solution

The fourth proportional to 23,478.42, 32,400.09 and 12,867.69 is: 17,757.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,478.42 : 32,400.09 = 12,867.69 : x
  2. Step 2: Convert to fraction form
    23,478.42/32,400.09 = 12,867.69/x
  3. Step 3: Cross multiply
    23,478.42x = 32,400.09 × 12,867.69
  4. Step 4: Simplify right side
    23,478.42x = 416,914,314.09
  5. Step 5: Solve for x
    x = 416,914,314.09/23,478.42
  6. Step 6: Final answer
    x = 17,757.34

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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.