Home / 27,774.87-38,318.61-19,272.74

Finding the Fourth Proportional to 27,774.87, 38,318.61 and 19,272.74

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Solution

The fourth proportional to 27,774.87, 38,318.61 and 19,272.74 is: 26,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.87 : 38,318.61 = 19,272.74 : x
  2. Step 2: Convert to fraction form
    27,774.87/38,318.61 = 19,272.74/x
  3. Step 3: Cross multiply
    27,774.87x = 38,318.61 × 19,272.74
  4. Step 4: Simplify right side
    27,774.87x = 738,504,607.69
  5. Step 5: Solve for x
    x = 738,504,607.69/27,774.87
  6. Step 6: Final answer
    x = 26,588.95

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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.