Home / 28,743.45-43,104.42-10,018.68

Finding the Fourth Proportional to 28,743.45, 43,104.42 and 10,018.68

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Solution

The fourth proportional to 28,743.45, 43,104.42 and 10,018.68 is: 15,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.45 : 43,104.42 = 10,018.68 : x
  2. Step 2: Convert to fraction form
    28,743.45/43,104.42 = 10,018.68/x
  3. Step 3: Cross multiply
    28,743.45x = 43,104.42 × 10,018.68
  4. Step 4: Simplify right side
    28,743.45x = 431,849,390.57
  5. Step 5: Solve for x
    x = 431,849,390.57/28,743.45
  6. Step 6: Final answer
    x = 15,024.27

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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.