Home / 25,518.24-38,277.77-8,878.82

Finding the Fourth Proportional to 25,518.24, 38,277.77 and 8,878.82

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Solution

The fourth proportional to 25,518.24, 38,277.77 and 8,878.82 is: 13,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.24 : 38,277.77 = 8,878.82 : x
  2. Step 2: Convert to fraction form
    25,518.24/38,277.77 = 8,878.82/x
  3. Step 3: Cross multiply
    25,518.24x = 38,277.77 × 8,878.82
  4. Step 4: Simplify right side
    25,518.24x = 339,861,194.05
  5. Step 5: Solve for x
    x = 339,861,194.05/25,518.24
  6. Step 6: Final answer
    x = 13,318.36

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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.