Home / 27,081.28-37,384.32-15,904

Finding the Fourth Proportional to 27,081.28, 37,384.32 and 15,904

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Solution

The fourth proportional to 27,081.28, 37,384.32 and 15,904 is: 21,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.28 : 37,384.32 = 15,904 : x
  2. Step 2: Convert to fraction form
    27,081.28/37,384.32 = 15,904/x
  3. Step 3: Cross multiply
    27,081.28x = 37,384.32 × 15,904
  4. Step 4: Simplify right side
    27,081.28x = 594,560,225.28
  5. Step 5: Solve for x
    x = 594,560,225.28/27,081.28
  6. Step 6: Final answer
    x = 21,954.66

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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.