Home / 25,054.68-34,496.78-21,270

Finding the Fourth Proportional to 25,054.68, 34,496.78 and 21,270

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Solution

The fourth proportional to 25,054.68, 34,496.78 and 21,270 is: 29,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,054.68 : 34,496.78 = 21,270 : x
  2. Step 2: Convert to fraction form
    25,054.68/34,496.78 = 21,270/x
  3. Step 3: Cross multiply
    25,054.68x = 34,496.78 × 21,270
  4. Step 4: Simplify right side
    25,054.68x = 733,746,404.25
  5. Step 5: Solve for x
    x = 733,746,404.25/25,054.68
  6. Step 6: Final answer
    x = 29,285.80

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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.