Home / 27,390.93-41,085.89-8,672.09

Finding the Fourth Proportional to 27,390.93, 41,085.89 and 8,672.09

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Solution

The fourth proportional to 27,390.93, 41,085.89 and 8,672.09 is: 13,007.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.93 : 41,085.89 = 8,672.09 : x
  2. Step 2: Convert to fraction form
    27,390.93/41,085.89 = 8,672.09/x
  3. Step 3: Cross multiply
    27,390.93x = 41,085.89 × 8,672.09
  4. Step 4: Simplify right side
    27,390.93x = 356,300,657.36
  5. Step 5: Solve for x
    x = 356,300,657.36/27,390.93
  6. Step 6: Final answer
    x = 13,007.98

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1.5x scale

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.