Home / 27,952.88-38,574.96-15,377.54

Finding the Fourth Proportional to 27,952.88, 38,574.96 and 15,377.54

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Solution

The fourth proportional to 27,952.88, 38,574.96 and 15,377.54 is: 21,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.88 : 38,574.96 = 15,377.54 : x
  2. Step 2: Convert to fraction form
    27,952.88/38,574.96 = 15,377.54/x
  3. Step 3: Cross multiply
    27,952.88x = 38,574.96 × 15,377.54
  4. Step 4: Simplify right side
    27,952.88x = 593,187,990.40
  5. Step 5: Solve for x
    x = 593,187,990.40/27,952.88
  6. Step 6: Final answer
    x = 21,221.00

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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.