Home / 25,288.79-34,852.01-20,269.62

Finding the Fourth Proportional to 25,288.79, 34,852.01 and 20,269.62

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Solution

The fourth proportional to 25,288.79, 34,852.01 and 20,269.62 is: 27,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.79 : 34,852.01 = 20,269.62 : x
  2. Step 2: Convert to fraction form
    25,288.79/34,852.01 = 20,269.62/x
  3. Step 3: Cross multiply
    25,288.79x = 34,852.01 × 20,269.62
  4. Step 4: Simplify right side
    25,288.79x = 706,436,897.59
  5. Step 5: Solve for x
    x = 706,436,897.59/25,288.79
  6. Step 6: Final answer
    x = 27,934.79

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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.