Home / 28,750.40-39,676.08-17,419.52

Finding the Fourth Proportional to 28,750.40, 39,676.08 and 17,419.52

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Solution

The fourth proportional to 28,750.40, 39,676.08 and 17,419.52 is: 24,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.40 : 39,676.08 = 17,419.52 : x
  2. Step 2: Convert to fraction form
    28,750.40/39,676.08 = 17,419.52/x
  3. Step 3: Cross multiply
    28,750.40x = 39,676.08 × 17,419.52
  4. Step 4: Simplify right side
    28,750.40x = 691,138,269.08
  5. Step 5: Solve for x
    x = 691,138,269.08/28,750.40
  6. Step 6: Final answer
    x = 24,039.26

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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.