Home / 27,608.15-38,089.23-15,664.56

Finding the Fourth Proportional to 27,608.15, 38,089.23 and 15,664.56

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Solution

The fourth proportional to 27,608.15, 38,089.23 and 15,664.56 is: 21,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.15 : 38,089.23 = 15,664.56 : x
  2. Step 2: Convert to fraction form
    27,608.15/38,089.23 = 15,664.56/x
  3. Step 3: Cross multiply
    27,608.15x = 38,089.23 × 15,664.56
  4. Step 4: Simplify right side
    27,608.15x = 596,651,230.27
  5. Step 5: Solve for x
    x = 596,651,230.27/27,608.15
  6. Step 6: Final answer
    x = 21,611.42

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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.