Home / 27,151.88-37,466.55-15,213.49

Finding the Fourth Proportional to 27,151.88, 37,466.55 and 15,213.49

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Solution

The fourth proportional to 27,151.88, 37,466.55 and 15,213.49 is: 20,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.88 : 37,466.55 = 15,213.49 : x
  2. Step 2: Convert to fraction form
    27,151.88/37,466.55 = 15,213.49/x
  3. Step 3: Cross multiply
    27,151.88x = 37,466.55 × 15,213.49
  4. Step 4: Simplify right side
    27,151.88x = 569,996,890.09
  5. Step 5: Solve for x
    x = 569,996,890.09/27,151.88
  6. Step 6: Final answer
    x = 20,992.91

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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.