Home / 27,952.14-38,559.09-21,226.62

Finding the Fourth Proportional to 27,952.14, 38,559.09 and 21,226.62

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Solution

The fourth proportional to 27,952.14, 38,559.09 and 21,226.62 is: 29,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.14 : 38,559.09 = 21,226.62 : x
  2. Step 2: Convert to fraction form
    27,952.14/38,559.09 = 21,226.62/x
  3. Step 3: Cross multiply
    27,952.14x = 38,559.09 × 21,226.62
  4. Step 4: Simplify right side
    27,952.14x = 818,479,150.98
  5. Step 5: Solve for x
    x = 818,479,150.98/27,952.14
  6. Step 6: Final answer
    x = 29,281.45

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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.