Home / 23,385.90-32,272.40-12,775.44

Finding the Fourth Proportional to 23,385.90, 32,272.40 and 12,775.44

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Solution

The fourth proportional to 23,385.90, 32,272.40 and 12,775.44 is: 17,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,385.90 : 32,272.40 = 12,775.44 : x
  2. Step 2: Convert to fraction form
    23,385.90/32,272.40 = 12,775.44/x
  3. Step 3: Cross multiply
    23,385.90x = 32,272.40 × 12,775.44
  4. Step 4: Simplify right side
    23,385.90x = 412,294,109.86
  5. Step 5: Solve for x
    x = 412,294,109.86/23,385.90
  6. Step 6: Final answer
    x = 17,630.03

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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.