Home / 28,850.29-43,271.10-9,126.28

Finding the Fourth Proportional to 28,850.29, 43,271.10 and 9,126.28

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Solution

The fourth proportional to 28,850.29, 43,271.10 and 9,126.28 is: 13,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.29 : 43,271.10 = 9,126.28 : x
  2. Step 2: Convert to fraction form
    28,850.29/43,271.10 = 9,126.28/x
  3. Step 3: Cross multiply
    28,850.29x = 43,271.10 × 9,126.28
  4. Step 4: Simplify right side
    28,850.29x = 394,904,228.60
  5. Step 5: Solve for x
    x = 394,904,228.60/28,850.29
  6. Step 6: Final answer
    x = 13,688.05

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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.