Home / 25,103.84-34,644.08-13,926.88

Finding the Fourth Proportional to 25,103.84, 34,644.08 and 13,926.88

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Solution

The fourth proportional to 25,103.84, 34,644.08 and 13,926.88 is: 19,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.84 : 34,644.08 = 13,926.88 : x
  2. Step 2: Convert to fraction form
    25,103.84/34,644.08 = 13,926.88/x
  3. Step 3: Cross multiply
    25,103.84x = 34,644.08 × 13,926.88
  4. Step 4: Simplify right side
    25,103.84x = 482,483,944.87
  5. Step 5: Solve for x
    x = 482,483,944.87/25,103.84
  6. Step 6: Final answer
    x = 19,219.53

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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.