Home / 28,900.42-43,385.20-17,219.14

Finding the Fourth Proportional to 28,900.42, 43,385.20 and 17,219.14

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Solution

The fourth proportional to 28,900.42, 43,385.20 and 17,219.14 is: 25,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,900.42 : 43,385.20 = 17,219.14 : x
  2. Step 2: Convert to fraction form
    28,900.42/43,385.20 = 17,219.14/x
  3. Step 3: Cross multiply
    28,900.42x = 43,385.20 × 17,219.14
  4. Step 4: Simplify right side
    28,900.42x = 747,055,832.73
  5. Step 5: Solve for x
    x = 747,055,832.73/28,900.42
  6. Step 6: Final answer
    x = 25,849.31

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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.