Home / 27,960.19-38,585.06-15,384.94

Finding the Fourth Proportional to 27,960.19, 38,585.06 and 15,384.94

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Solution

The fourth proportional to 27,960.19, 38,585.06 and 15,384.94 is: 21,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.19 : 38,585.06 = 15,384.94 : x
  2. Step 2: Convert to fraction form
    27,960.19/38,585.06 = 15,384.94/x
  3. Step 3: Cross multiply
    27,960.19x = 38,585.06 × 15,384.94
  4. Step 4: Simplify right side
    27,960.19x = 593,628,717.30
  5. Step 5: Solve for x
    x = 593,628,717.30/27,960.19
  6. Step 6: Final answer
    x = 21,231.21

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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.