Home / 27,316.35-40,980.69-8,342.69

Finding the Fourth Proportional to 27,316.35, 40,980.69 and 8,342.69

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Solution

The fourth proportional to 27,316.35, 40,980.69 and 8,342.69 is: 12,515.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.35 : 40,980.69 = 8,342.69 : x
  2. Step 2: Convert to fraction form
    27,316.35/40,980.69 = 8,342.69/x
  3. Step 3: Cross multiply
    27,316.35x = 40,980.69 × 8,342.69
  4. Step 4: Simplify right side
    27,316.35x = 341,888,987.75
  5. Step 5: Solve for x
    x = 341,888,987.75/27,316.35
  6. Step 6: Final answer
    x = 12,515.91

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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.