Home / 27,258.84-37,615.50-15,322.02

Finding the Fourth Proportional to 27,258.84, 37,615.50 and 15,322.02

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Solution

The fourth proportional to 27,258.84, 37,615.50 and 15,322.02 is: 21,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.84 : 37,615.50 = 15,322.02 : x
  2. Step 2: Convert to fraction form
    27,258.84/37,615.50 = 15,322.02/x
  3. Step 3: Cross multiply
    27,258.84x = 37,615.50 × 15,322.02
  4. Step 4: Simplify right side
    27,258.84x = 576,345,443.31
  5. Step 5: Solve for x
    x = 576,345,443.31/27,258.84
  6. Step 6: Final answer
    x = 21,143.43

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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.