Home / 27,877.82-41,792.09-21,333.22

Finding the Fourth Proportional to 27,877.82, 41,792.09 and 21,333.22

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Solution

The fourth proportional to 27,877.82, 41,792.09 and 21,333.22 is: 31,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.82 : 41,792.09 = 21,333.22 : x
  2. Step 2: Convert to fraction form
    27,877.82/41,792.09 = 21,333.22/x
  3. Step 3: Cross multiply
    27,877.82x = 41,792.09 × 21,333.22
  4. Step 4: Simplify right side
    27,877.82x = 891,559,639.08
  5. Step 5: Solve for x
    x = 891,559,639.08/27,877.82
  6. Step 6: Final answer
    x = 31,980.97

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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.