Home / 25,842.75-35,645.99-18,660.69

Finding the Fourth Proportional to 25,842.75, 35,645.99 and 18,660.69

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Solution

The fourth proportional to 25,842.75, 35,645.99 and 18,660.69 is: 25,739.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,842.75 : 35,645.99 = 18,660.69 : x
  2. Step 2: Convert to fraction form
    25,842.75/35,645.99 = 18,660.69/x
  3. Step 3: Cross multiply
    25,842.75x = 35,645.99 × 18,660.69
  4. Step 4: Simplify right side
    25,842.75x = 665,178,675.83
  5. Step 5: Solve for x
    x = 665,178,675.83/25,842.75
  6. Step 6: Final answer
    x = 25,739.47

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Half scale
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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.