Home / 23,399.18-32,290.32-12,788.88

Finding the Fourth Proportional to 23,399.18, 32,290.32 and 12,788.88

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Solution

The fourth proportional to 23,399.18, 32,290.32 and 12,788.88 is: 17,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,399.18 : 32,290.32 = 12,788.88 : x
  2. Step 2: Convert to fraction form
    23,399.18/32,290.32 = 12,788.88/x
  3. Step 3: Cross multiply
    23,399.18x = 32,290.32 × 12,788.88
  4. Step 4: Simplify right side
    23,399.18x = 412,957,027.64
  5. Step 5: Solve for x
    x = 412,957,027.64/23,399.18
  6. Step 6: Final answer
    x = 17,648.35

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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.