Home / 27,994.35-38,631.62-15,247.68

Finding the Fourth Proportional to 27,994.35, 38,631.62 and 15,247.68

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Solution

The fourth proportional to 27,994.35, 38,631.62 and 15,247.68 is: 21,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994.35 : 38,631.62 = 15,247.68 : x
  2. Step 2: Convert to fraction form
    27,994.35/38,631.62 = 15,247.68/x
  3. Step 3: Cross multiply
    27,994.35x = 38,631.62 × 15,247.68
  4. Step 4: Simplify right side
    27,994.35x = 589,042,617.76
  5. Step 5: Solve for x
    x = 589,042,617.76/27,994.35
  6. Step 6: Final answer
    x = 21,041.48

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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.