Home / 28,977.50-39,989.14-17,041.34

Finding the Fourth Proportional to 28,977.50, 39,989.14 and 17,041.34

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Solution

The fourth proportional to 28,977.50, 39,989.14 and 17,041.34 is: 23,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.50 : 39,989.14 = 17,041.34 : x
  2. Step 2: Convert to fraction form
    28,977.50/39,989.14 = 17,041.34/x
  3. Step 3: Cross multiply
    28,977.50x = 39,989.14 × 17,041.34
  4. Step 4: Simplify right side
    28,977.50x = 681,468,531.05
  5. Step 5: Solve for x
    x = 681,468,531.05/28,977.50
  6. Step 6: Final answer
    x = 23,517.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.