Home / 27,805.89-38,338.65-22,123.29

Finding the Fourth Proportional to 27,805.89, 38,338.65 and 22,123.29

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Solution

The fourth proportional to 27,805.89, 38,338.65 and 22,123.29 is: 30,503.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.89 : 38,338.65 = 22,123.29 : x
  2. Step 2: Convert to fraction form
    27,805.89/38,338.65 = 22,123.29/x
  3. Step 3: Cross multiply
    27,805.89x = 38,338.65 × 22,123.29
  4. Step 4: Simplify right side
    27,805.89x = 848,177,072.16
  5. Step 5: Solve for x
    x = 848,177,072.16/27,805.89
  6. Step 6: Final answer
    x = 30,503.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.