Home / 27,716.41-38,242.99-15,776.61

Finding the Fourth Proportional to 27,716.41, 38,242.99 and 15,776.61

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Solution

The fourth proportional to 27,716.41, 38,242.99 and 15,776.61 is: 21,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.41 : 38,242.99 = 15,776.61 : x
  2. Step 2: Convert to fraction form
    27,716.41/38,242.99 = 15,776.61/x
  3. Step 3: Cross multiply
    27,716.41x = 38,242.99 × 15,776.61
  4. Step 4: Simplify right side
    27,716.41x = 603,344,526.03
  5. Step 5: Solve for x
    x = 603,344,526.03/27,716.41
  6. Step 6: Final answer
    x = 21,768.49

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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.