Home / 38,227.36-57,338.98-11,929.08

Finding the Fourth Proportional to 38,227.36, 57,338.98 and 11,929.08

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Solution

The fourth proportional to 38,227.36, 57,338.98 and 11,929.08 is: 17,892.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227.36 : 57,338.98 = 11,929.08 : x
  2. Step 2: Convert to fraction form
    38,227.36/57,338.98 = 11,929.08/x
  3. Step 3: Cross multiply
    38,227.36x = 57,338.98 × 11,929.08
  4. Step 4: Simplify right side
    38,227.36x = 684,001,279.54
  5. Step 5: Solve for x
    x = 684,001,279.54/38,227.36
  6. Step 6: Final answer
    x = 17,892.98

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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.