Home / 27,799.63-38,363.41-15,052.82

Finding the Fourth Proportional to 27,799.63, 38,363.41 and 15,052.82

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Solution

The fourth proportional to 27,799.63, 38,363.41 and 15,052.82 is: 20,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.63 : 38,363.41 = 15,052.82 : x
  2. Step 2: Convert to fraction form
    27,799.63/38,363.41 = 15,052.82/x
  3. Step 3: Cross multiply
    27,799.63x = 38,363.41 × 15,052.82
  4. Step 4: Simplify right side
    27,799.63x = 577,477,590.45
  5. Step 5: Solve for x
    x = 577,477,590.45/27,799.63
  6. Step 6: Final answer
    x = 20,772.85

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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.