Home / 27,800.68-38,365.86-15,226.12

Finding the Fourth Proportional to 27,800.68, 38,365.86 and 15,226.12

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Solution

The fourth proportional to 27,800.68, 38,365.86 and 15,226.12 is: 21,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800.68 : 38,365.86 = 15,226.12 : x
  2. Step 2: Convert to fraction form
    27,800.68/38,365.86 = 15,226.12/x
  3. Step 3: Cross multiply
    27,800.68x = 38,365.86 × 15,226.12
  4. Step 4: Simplify right side
    27,800.68x = 584,163,188.26
  5. Step 5: Solve for x
    x = 584,163,188.26/27,800.68
  6. Step 6: Final answer
    x = 21,012.55

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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.