Home / 19,080.38-28,620.58-15,365.18

Finding the Fourth Proportional to 19,080.38, 28,620.58 and 15,365.18

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Solution

The fourth proportional to 19,080.38, 28,620.58 and 15,365.18 is: 23,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.38 : 28,620.58 = 15,365.18 : x
  2. Step 2: Convert to fraction form
    19,080.38/28,620.58 = 15,365.18/x
  3. Step 3: Cross multiply
    19,080.38x = 28,620.58 × 15,365.18
  4. Step 4: Simplify right side
    19,080.38x = 439,760,363.40
  5. Step 5: Solve for x
    x = 439,760,363.40/19,080.38
  6. Step 6: Final answer
    x = 23,047.78

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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.