Home / 27,020.90-40,537.34-10,380.93

Finding the Fourth Proportional to 27,020.90, 40,537.34 and 10,380.93

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Solution

The fourth proportional to 27,020.90, 40,537.34 and 10,380.93 is: 15,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.90 : 40,537.34 = 10,380.93 : x
  2. Step 2: Convert to fraction form
    27,020.90/40,537.34 = 10,380.93/x
  3. Step 3: Cross multiply
    27,020.90x = 40,537.34 × 10,380.93
  4. Step 4: Simplify right side
    27,020.90x = 420,815,237.02
  5. Step 5: Solve for x
    x = 420,815,237.02/27,020.90
  6. Step 6: Final answer
    x = 15,573.70

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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.