Home / 28,486.03-42,725.49-17,813.31

Finding the Fourth Proportional to 28,486.03, 42,725.49 and 17,813.31

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Solution

The fourth proportional to 28,486.03, 42,725.49 and 17,813.31 is: 26,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.03 : 42,725.49 = 17,813.31 : x
  2. Step 2: Convert to fraction form
    28,486.03/42,725.49 = 17,813.31/x
  3. Step 3: Cross multiply
    28,486.03x = 42,725.49 × 17,813.31
  4. Step 4: Simplify right side
    28,486.03x = 761,082,398.27
  5. Step 5: Solve for x
    x = 761,082,398.27/28,486.03
  6. Step 6: Final answer
    x = 26,717.74

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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.