Home / 27,218.75-37,561.32-15,282.09

Finding the Fourth Proportional to 27,218.75, 37,561.32 and 15,282.09

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Solution

The fourth proportional to 27,218.75, 37,561.32 and 15,282.09 is: 21,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.75 : 37,561.32 = 15,282.09 : x
  2. Step 2: Convert to fraction form
    27,218.75/37,561.32 = 15,282.09/x
  3. Step 3: Cross multiply
    27,218.75x = 37,561.32 × 15,282.09
  4. Step 4: Simplify right side
    27,218.75x = 574,015,472.76
  5. Step 5: Solve for x
    x = 574,015,472.76/27,218.75
  6. Step 6: Final answer
    x = 21,088.97

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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.