Home / 27,481.50-37,920.15-15,541.02

Finding the Fourth Proportional to 27,481.50, 37,920.15 and 15,541.02

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Solution

The fourth proportional to 27,481.50, 37,920.15 and 15,541.02 is: 21,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.50 : 37,920.15 = 15,541.02 : x
  2. Step 2: Convert to fraction form
    27,481.50/37,920.15 = 15,541.02/x
  3. Step 3: Cross multiply
    27,481.50x = 37,920.15 × 15,541.02
  4. Step 4: Simplify right side
    27,481.50x = 589,317,809.55
  5. Step 5: Solve for x
    x = 589,317,809.55/27,481.50
  6. Step 6: Final answer
    x = 21,444.16

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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.