Home / 28,991.20-43,486.12-9,269.93

Finding the Fourth Proportional to 28,991.20, 43,486.12 and 9,269.93

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Solution

The fourth proportional to 28,991.20, 43,486.12 and 9,269.93 is: 13,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,991.20 : 43,486.12 = 9,269.93 : x
  2. Step 2: Convert to fraction form
    28,991.20/43,486.12 = 9,269.93/x
  3. Step 3: Cross multiply
    28,991.20x = 43,486.12 × 9,269.93
  4. Step 4: Simplify right side
    28,991.20x = 403,113,242.02
  5. Step 5: Solve for x
    x = 403,113,242.02/28,991.20
  6. Step 6: Final answer
    x = 13,904.68

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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.