Home / 27,258.87-37,618.31-15,322.17

Finding the Fourth Proportional to 27,258.87, 37,618.31 and 15,322.17

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Solution

The fourth proportional to 27,258.87, 37,618.31 and 15,322.17 is: 21,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.87 : 37,618.31 = 15,322.17 : x
  2. Step 2: Convert to fraction form
    27,258.87/37,618.31 = 15,322.17/x
  3. Step 3: Cross multiply
    27,258.87x = 37,618.31 × 15,322.17
  4. Step 4: Simplify right side
    27,258.87x = 576,394,140.93
  5. Step 5: Solve for x
    x = 576,394,140.93/27,258.87
  6. Step 6: Final answer
    x = 21,145.20

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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.