Home / 25,305.12-37,879.92-21,572.64

Finding the Fourth Proportional to 25,305.12, 37,879.92 and 21,572.64

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Solution

The fourth proportional to 25,305.12, 37,879.92 and 21,572.64 is: 32,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,305.12 : 37,879.92 = 21,572.64 : x
  2. Step 2: Convert to fraction form
    25,305.12/37,879.92 = 21,572.64/x
  3. Step 3: Cross multiply
    25,305.12x = 37,879.92 × 21,572.64
  4. Step 4: Simplify right side
    25,305.12x = 817,169,877.39
  5. Step 5: Solve for x
    x = 817,169,877.39/25,305.12
  6. Step 6: Final answer
    x = 32,292.67

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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.