Home / 18,048.24-27,072.28-4,721.16

Finding the Fourth Proportional to 18,048.24, 27,072.28 and 4,721.16

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Solution

The fourth proportional to 18,048.24, 27,072.28 and 4,721.16 is: 7,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.24 : 27,072.28 = 4,721.16 : x
  2. Step 2: Convert to fraction form
    18,048.24/27,072.28 = 4,721.16/x
  3. Step 3: Cross multiply
    18,048.24x = 27,072.28 × 4,721.16
  4. Step 4: Simplify right side
    18,048.24x = 127,812,565.44
  5. Step 5: Solve for x
    x = 127,812,565.44/18,048.24
  6. Step 6: Final answer
    x = 7,081.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.