Home / 27,793.77-38,355.01-15,218.52

Finding the Fourth Proportional to 27,793.77, 38,355.01 and 15,218.52

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Solution

The fourth proportional to 27,793.77, 38,355.01 and 15,218.52 is: 21,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.77 : 38,355.01 = 15,218.52 : x
  2. Step 2: Convert to fraction form
    27,793.77/38,355.01 = 15,218.52/x
  3. Step 3: Cross multiply
    27,793.77x = 38,355.01 × 15,218.52
  4. Step 4: Simplify right side
    27,793.77x = 583,706,486.79
  5. Step 5: Solve for x
    x = 583,706,486.79/27,793.77
  6. Step 6: Final answer
    x = 21,001.34

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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.