Home / 27,147.78-37,466.69-15,213.24

Finding the Fourth Proportional to 27,147.78, 37,466.69 and 15,213.24

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Solution

The fourth proportional to 27,147.78, 37,466.69 and 15,213.24 is: 20,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.78 : 37,466.69 = 15,213.24 : x
  2. Step 2: Convert to fraction form
    27,147.78/37,466.69 = 15,213.24/x
  3. Step 3: Cross multiply
    27,147.78x = 37,466.69 × 15,213.24
  4. Step 4: Simplify right side
    27,147.78x = 569,989,670.91
  5. Step 5: Solve for x
    x = 569,989,670.91/27,147.78
  6. Step 6: Final answer
    x = 20,995.81

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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.