Home / 27,286.73-37,657.87-15,349.35

Finding the Fourth Proportional to 27,286.73, 37,657.87 and 15,349.35

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Solution

The fourth proportional to 27,286.73, 37,657.87 and 15,349.35 is: 21,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.73 : 37,657.87 = 15,349.35 : x
  2. Step 2: Convert to fraction form
    27,286.73/37,657.87 = 15,349.35/x
  3. Step 3: Cross multiply
    27,286.73x = 37,657.87 × 15,349.35
  4. Step 4: Simplify right side
    27,286.73x = 578,023,788.51
  5. Step 5: Solve for x
    x = 578,023,788.51/27,286.73
  6. Step 6: Final answer
    x = 21,183.33

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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.