Home / 27,311.10-37,690.03-15,374.87

Finding the Fourth Proportional to 27,311.10, 37,690.03 and 15,374.87

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Solution

The fourth proportional to 27,311.10, 37,690.03 and 15,374.87 is: 21,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.10 : 37,690.03 = 15,374.87 : x
  2. Step 2: Convert to fraction form
    27,311.10/37,690.03 = 15,374.87/x
  3. Step 3: Cross multiply
    27,311.10x = 37,690.03 × 15,374.87
  4. Step 4: Simplify right side
    27,311.10x = 579,479,197.17
  5. Step 5: Solve for x
    x = 579,479,197.17/27,311.10
  6. Step 6: Final answer
    x = 21,217.72

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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.