Home / 28,742.95-43,103.67-10,018.18

Finding the Fourth Proportional to 28,742.95, 43,103.67 and 10,018.18

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Solution

The fourth proportional to 28,742.95, 43,103.67 and 10,018.18 is: 15,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.95 : 43,103.67 = 10,018.18 : x
  2. Step 2: Convert to fraction form
    28,742.95/43,103.67 = 10,018.18/x
  3. Step 3: Cross multiply
    28,742.95x = 43,103.67 × 10,018.18
  4. Step 4: Simplify right side
    28,742.95x = 431,820,324.72
  5. Step 5: Solve for x
    x = 431,820,324.72/28,742.95
  6. Step 6: Final answer
    x = 15,023.52

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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.