Home / 27,217.65-37,557.76-15,278.25

Finding the Fourth Proportional to 27,217.65, 37,557.76 and 15,278.25

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Solution

The fourth proportional to 27,217.65, 37,557.76 and 15,278.25 is: 21,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,217.65 : 37,557.76 = 15,278.25 : x
  2. Step 2: Convert to fraction form
    27,217.65/37,557.76 = 15,278.25/x
  3. Step 3: Cross multiply
    27,217.65x = 37,557.76 × 15,278.25
  4. Step 4: Simplify right side
    27,217.65x = 573,816,846.72
  5. Step 5: Solve for x
    x = 573,816,846.72/27,217.65
  6. Step 6: Final answer
    x = 21,082.53

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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.