Home / 27,952.68-38,574.14-15,377.42

Finding the Fourth Proportional to 27,952.68, 38,574.14 and 15,377.42

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Solution

The fourth proportional to 27,952.68, 38,574.14 and 15,377.42 is: 21,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.68 : 38,574.14 = 15,377.42 : x
  2. Step 2: Convert to fraction form
    27,952.68/38,574.14 = 15,377.42/x
  3. Step 3: Cross multiply
    27,952.68x = 38,574.14 × 15,377.42
  4. Step 4: Simplify right side
    27,952.68x = 593,170,751.92
  5. Step 5: Solve for x
    x = 593,170,751.92/27,952.68
  6. Step 6: Final answer
    x = 21,220.53

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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.