Home / 27,479.20-37,921.98-15,541.96

Finding the Fourth Proportional to 27,479.20, 37,921.98 and 15,541.96

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Solution

The fourth proportional to 27,479.20, 37,921.98 and 15,541.96 is: 21,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,479.20 : 37,921.98 = 15,541.96 : x
  2. Step 2: Convert to fraction form
    27,479.20/37,921.98 = 15,541.96/x
  3. Step 3: Cross multiply
    27,479.20x = 37,921.98 × 15,541.96
  4. Step 4: Simplify right side
    27,479.20x = 589,381,896.28
  5. Step 5: Solve for x
    x = 589,381,896.28/27,479.20
  6. Step 6: Final answer
    x = 21,448.29

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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.