Home / 27,629.72-38,127.98-16,892.56

Finding the Fourth Proportional to 27,629.72, 38,127.98 and 16,892.56

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Solution

The fourth proportional to 27,629.72, 38,127.98 and 16,892.56 is: 23,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.72 : 38,127.98 = 16,892.56 : x
  2. Step 2: Convert to fraction form
    27,629.72/38,127.98 = 16,892.56/x
  3. Step 3: Cross multiply
    27,629.72x = 38,127.98 × 16,892.56
  4. Step 4: Simplify right side
    27,629.72x = 644,079,189.83
  5. Step 5: Solve for x
    x = 644,079,189.83/27,629.72
  6. Step 6: Final answer
    x = 23,311.10

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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.