Home / 28,937.16-43,408.92-9,208.80

Finding the Fourth Proportional to 28,937.16, 43,408.92 and 9,208.80

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Solution

The fourth proportional to 28,937.16, 43,408.92 and 9,208.80 is: 13,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.16 : 43,408.92 = 9,208.80 : x
  2. Step 2: Convert to fraction form
    28,937.16/43,408.92 = 9,208.80/x
  3. Step 3: Cross multiply
    28,937.16x = 43,408.92 × 9,208.80
  4. Step 4: Simplify right side
    28,937.16x = 399,744,062.50
  5. Step 5: Solve for x
    x = 399,744,062.50/28,937.16
  6. Step 6: Final answer
    x = 13,814.21

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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.