Home / 27,800.41-38,364.89-15,053.88

Finding the Fourth Proportional to 27,800.41, 38,364.89 and 15,053.88

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Solution

The fourth proportional to 27,800.41, 38,364.89 and 15,053.88 is: 20,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.41 : 38,364.89 = 15,053.88 : x
  2. Step 2: Convert to fraction form
    27,800.41/38,364.89 = 15,053.88/x
  3. Step 3: Cross multiply
    27,800.41x = 38,364.89 × 15,053.88
  4. Step 4: Simplify right side
    27,800.41x = 577,540,550.97
  5. Step 5: Solve for x
    x = 577,540,550.97/27,800.41
  6. Step 6: Final answer
    x = 20,774.53

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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.