Home / 19,023.20-28,532.64-7,335.44

Finding the Fourth Proportional to 19,023.20, 28,532.64 and 7,335.44

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Solution

The fourth proportional to 19,023.20, 28,532.64 and 7,335.44 is: 11,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.20 : 28,532.64 = 7,335.44 : x
  2. Step 2: Convert to fraction form
    19,023.20/28,532.64 = 7,335.44/x
  3. Step 3: Cross multiply
    19,023.20x = 28,532.64 × 7,335.44
  4. Step 4: Simplify right side
    19,023.20x = 209,299,468.76
  5. Step 5: Solve for x
    x = 209,299,468.76/19,023.20
  6. Step 6: Final answer
    x = 11,002.33

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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.