Home / 23,265.78-32,191.26-20,287.80

Finding the Fourth Proportional to 23,265.78, 32,191.26 and 20,287.80

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Solution

The fourth proportional to 23,265.78, 32,191.26 and 20,287.80 is: 28,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,265.78 : 32,191.26 = 20,287.80 : x
  2. Step 2: Convert to fraction form
    23,265.78/32,191.26 = 20,287.80/x
  3. Step 3: Cross multiply
    23,265.78x = 32,191.26 × 20,287.80
  4. Step 4: Simplify right side
    23,265.78x = 653,089,844.63
  5. Step 5: Solve for x
    x = 653,089,844.63/23,265.78
  6. Step 6: Final answer
    x = 28,070.83

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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.