Home / 27,921.68-41,890.34-11,293.40

Finding the Fourth Proportional to 27,921.68, 41,890.34 and 11,293.40

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Solution

The fourth proportional to 27,921.68, 41,890.34 and 11,293.40 is: 16,943.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,921.68 : 41,890.34 = 11,293.40 : x
  2. Step 2: Convert to fraction form
    27,921.68/41,890.34 = 11,293.40/x
  3. Step 3: Cross multiply
    27,921.68x = 41,890.34 × 11,293.40
  4. Step 4: Simplify right side
    27,921.68x = 473,084,099.84
  5. Step 5: Solve for x
    x = 473,084,099.84/27,921.68
  6. Step 6: Final answer
    x = 16,943.26

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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.