Home / 27,310.36-37,688.34-15,373.80

Finding the Fourth Proportional to 27,310.36, 37,688.34 and 15,373.80

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Solution

The fourth proportional to 27,310.36, 37,688.34 and 15,373.80 is: 21,215.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.36 : 37,688.34 = 15,373.80 : x
  2. Step 2: Convert to fraction form
    27,310.36/37,688.34 = 15,373.80/x
  3. Step 3: Cross multiply
    27,310.36x = 37,688.34 × 15,373.80
  4. Step 4: Simplify right side
    27,310.36x = 579,413,001.49
  5. Step 5: Solve for x
    x = 579,413,001.49/27,310.36
  6. Step 6: Final answer
    x = 21,215.87

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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.