Home / 27,319.69-37,697.25-15,220.09

Finding the Fourth Proportional to 27,319.69, 37,697.25 and 15,220.09

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Solution

The fourth proportional to 27,319.69, 37,697.25 and 15,220.09 is: 21,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.69 : 37,697.25 = 15,220.09 : x
  2. Step 2: Convert to fraction form
    27,319.69/37,697.25 = 15,220.09/x
  3. Step 3: Cross multiply
    27,319.69x = 37,697.25 × 15,220.09
  4. Step 4: Simplify right side
    27,319.69x = 573,755,537.75
  5. Step 5: Solve for x
    x = 573,755,537.75/27,319.69
  6. Step 6: Final answer
    x = 21,001.54

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1.5x scale

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.