Home / 28,023.20-42,036.96-8,301.44

Finding the Fourth Proportional to 28,023.20, 42,036.96 and 8,301.44

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Solution

The fourth proportional to 28,023.20, 42,036.96 and 8,301.44 is: 12,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.20 : 42,036.96 = 8,301.44 : x
  2. Step 2: Convert to fraction form
    28,023.20/42,036.96 = 8,301.44/x
  3. Step 3: Cross multiply
    28,023.20x = 42,036.96 × 8,301.44
  4. Step 4: Simplify right side
    28,023.20x = 348,967,301.22
  5. Step 5: Solve for x
    x = 348,967,301.22/28,023.20
  6. Step 6: Final answer
    x = 12,452.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.