Home / 27,952.16-38,573.76-15,205.34

Finding the Fourth Proportional to 27,952.16, 38,573.76 and 15,205.34

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Solution

The fourth proportional to 27,952.16, 38,573.76 and 15,205.34 is: 20,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.16 : 38,573.76 = 15,205.34 : x
  2. Step 2: Convert to fraction form
    27,952.16/38,573.76 = 15,205.34/x
  3. Step 3: Cross multiply
    27,952.16x = 38,573.76 × 15,205.34
  4. Step 4: Simplify right side
    27,952.16x = 586,527,135.88
  5. Step 5: Solve for x
    x = 586,527,135.88/27,952.16
  6. Step 6: Final answer
    x = 20,983.25

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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.