Home / 28,748.43-43,126.65-9,028.53

Finding the Fourth Proportional to 28,748.43, 43,126.65 and 9,028.53

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Solution

The fourth proportional to 28,748.43, 43,126.65 and 9,028.53 is: 13,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.43 : 43,126.65 = 9,028.53 : x
  2. Step 2: Convert to fraction form
    28,748.43/43,126.65 = 9,028.53/x
  3. Step 3: Cross multiply
    28,748.43x = 43,126.65 × 9,028.53
  4. Step 4: Simplify right side
    28,748.43x = 389,370,253.32
  5. Step 5: Solve for x
    x = 389,370,253.32/28,748.43
  6. Step 6: Final answer
    x = 13,544.05

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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.