Home / 23,540.15-32,485.66-12,929.78

Finding the Fourth Proportional to 23,540.15, 32,485.66 and 12,929.78

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Solution

The fourth proportional to 23,540.15, 32,485.66 and 12,929.78 is: 17,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.15 : 32,485.66 = 12,929.78 : x
  2. Step 2: Convert to fraction form
    23,540.15/32,485.66 = 12,929.78/x
  3. Step 3: Cross multiply
    23,540.15x = 32,485.66 × 12,929.78
  4. Step 4: Simplify right side
    23,540.15x = 420,032,590.51
  5. Step 5: Solve for x
    x = 420,032,590.51/23,540.15
  6. Step 6: Final answer
    x = 17,843.24

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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.