Home / 27,701.04-41,485.34-15,978.72

Finding the Fourth Proportional to 27,701.04, 41,485.34 and 15,978.72

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Solution

The fourth proportional to 27,701.04, 41,485.34 and 15,978.72 is: 23,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.04 : 41,485.34 = 15,978.72 : x
  2. Step 2: Convert to fraction form
    27,701.04/41,485.34 = 15,978.72/x
  3. Step 3: Cross multiply
    27,701.04x = 41,485.34 × 15,978.72
  4. Step 4: Simplify right side
    27,701.04x = 662,882,552.07
  5. Step 5: Solve for x
    x = 662,882,552.07/27,701.04
  6. Step 6: Final answer
    x = 23,929.88

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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.