Home / 25,455.84-38,171.42-8,816.82

Finding the Fourth Proportional to 25,455.84, 38,171.42 and 8,816.82

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Solution

The fourth proportional to 25,455.84, 38,171.42 and 8,816.82 is: 13,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.84 : 38,171.42 = 8,816.82 : x
  2. Step 2: Convert to fraction form
    25,455.84/38,171.42 = 8,816.82/x
  3. Step 3: Cross multiply
    25,455.84x = 38,171.42 × 8,816.82
  4. Step 4: Simplify right side
    25,455.84x = 336,550,539.28
  5. Step 5: Solve for x
    x = 336,550,539.28/25,455.84
  6. Step 6: Final answer
    x = 13,220.96

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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.