Home / 27,738.99-38,277.75-16,985.61

Finding the Fourth Proportional to 27,738.99, 38,277.75 and 16,985.61

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Solution

The fourth proportional to 27,738.99, 38,277.75 and 16,985.61 is: 23,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,738.99 : 38,277.75 = 16,985.61 : x
  2. Step 2: Convert to fraction form
    27,738.99/38,277.75 = 16,985.61/x
  3. Step 3: Cross multiply
    27,738.99x = 38,277.75 × 16,985.61
  4. Step 4: Simplify right side
    27,738.99x = 650,170,933.18
  5. Step 5: Solve for x
    x = 650,170,933.18/27,738.99
  6. Step 6: Final answer
    x = 23,438.88

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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.