Home / 25,618.84-38,404.82-8,969.76

Finding the Fourth Proportional to 25,618.84, 38,404.82 and 8,969.76

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Solution

The fourth proportional to 25,618.84, 38,404.82 and 8,969.76 is: 13,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.84 : 38,404.82 = 8,969.76 : x
  2. Step 2: Convert to fraction form
    25,618.84/38,404.82 = 8,969.76/x
  3. Step 3: Cross multiply
    25,618.84x = 38,404.82 × 8,969.76
  4. Step 4: Simplify right side
    25,618.84x = 344,482,018.24
  5. Step 5: Solve for x
    x = 344,482,018.24/25,618.84
  6. Step 6: Final answer
    x = 13,446.43

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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.