Home / 29,039.76-43,542.63-15,888.60

Finding the Fourth Proportional to 29,039.76, 43,542.63 and 15,888.60

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Solution

The fourth proportional to 29,039.76, 43,542.63 and 15,888.60 is: 23,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.76 : 43,542.63 = 15,888.60 : x
  2. Step 2: Convert to fraction form
    29,039.76/43,542.63 = 15,888.60/x
  3. Step 3: Cross multiply
    29,039.76x = 43,542.63 × 15,888.60
  4. Step 4: Simplify right side
    29,039.76x = 691,831,431.02
  5. Step 5: Solve for x
    x = 691,831,431.02/29,039.76
  6. Step 6: Final answer
    x = 23,823.59

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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.