Home / 28,989.95-43,484.24-9,268.68

Finding the Fourth Proportional to 28,989.95, 43,484.24 and 9,268.68

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Solution

The fourth proportional to 28,989.95, 43,484.24 and 9,268.68 is: 13,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.95 : 43,484.24 = 9,268.68 : x
  2. Step 2: Convert to fraction form
    28,989.95/43,484.24 = 9,268.68/x
  3. Step 3: Cross multiply
    28,989.95x = 43,484.24 × 9,268.68
  4. Step 4: Simplify right side
    28,989.95x = 403,041,447.24
  5. Step 5: Solve for x
    x = 403,041,447.24/28,989.95
  6. Step 6: Final answer
    x = 13,902.80

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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.