Home / 25,230.74-37,977.70-21,425.36

Finding the Fourth Proportional to 25,230.74, 37,977.70 and 21,425.36

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Solution

The fourth proportional to 25,230.74, 37,977.70 and 21,425.36 is: 32,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.74 : 37,977.70 = 21,425.36 : x
  2. Step 2: Convert to fraction form
    25,230.74/37,977.70 = 21,425.36/x
  3. Step 3: Cross multiply
    25,230.74x = 37,977.70 × 21,425.36
  4. Step 4: Simplify right side
    25,230.74x = 813,685,787.35
  5. Step 5: Solve for x
    x = 813,685,787.35/25,230.74
  6. Step 6: Final answer
    x = 32,249.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.