Home / 19,041.20-28,578.20-9,188.76

Finding the Fourth Proportional to 19,041.20, 28,578.20 and 9,188.76

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Solution

The fourth proportional to 19,041.20, 28,578.20 and 9,188.76 is: 13,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,041.20 : 28,578.20 = 9,188.76 : x
  2. Step 2: Convert to fraction form
    19,041.20/28,578.20 = 9,188.76/x
  3. Step 3: Cross multiply
    19,041.20x = 28,578.20 × 9,188.76
  4. Step 4: Simplify right side
    19,041.20x = 262,598,221.03
  5. Step 5: Solve for x
    x = 262,598,221.03/19,041.20
  6. Step 6: Final answer
    x = 13,791.05

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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.