Home / 25,767.14-38,826.24-21,189.68

Finding the Fourth Proportional to 25,767.14, 38,826.24 and 21,189.68

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Solution

The fourth proportional to 25,767.14, 38,826.24 and 21,189.68 is: 31,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767.14 : 38,826.24 = 21,189.68 : x
  2. Step 2: Convert to fraction form
    25,767.14/38,826.24 = 21,189.68/x
  3. Step 3: Cross multiply
    25,767.14x = 38,826.24 × 21,189.68
  4. Step 4: Simplify right side
    25,767.14x = 822,715,495.25
  5. Step 5: Solve for x
    x = 822,715,495.25/25,767.14
  6. Step 6: Final answer
    x = 31,928.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.