Home / 28,743.95-43,105.17-10,019.18

Finding the Fourth Proportional to 28,743.95, 43,105.17 and 10,019.18

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Solution

The fourth proportional to 28,743.95, 43,105.17 and 10,019.18 is: 15,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.95 : 43,105.17 = 10,019.18 : x
  2. Step 2: Convert to fraction form
    28,743.95/43,105.17 = 10,019.18/x
  3. Step 3: Cross multiply
    28,743.95x = 43,105.17 × 10,019.18
  4. Step 4: Simplify right side
    28,743.95x = 431,878,457.16
  5. Step 5: Solve for x
    x = 431,878,457.16/28,743.95
  6. Step 6: Final answer
    x = 15,025.02

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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.