Home / 25,249.84-34,877.60-20,487.44

Finding the Fourth Proportional to 25,249.84, 34,877.60 and 20,487.44

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Solution

The fourth proportional to 25,249.84, 34,877.60 and 20,487.44 is: 28,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,249.84 : 34,877.60 = 20,487.44 : x
  2. Step 2: Convert to fraction form
    25,249.84/34,877.60 = 20,487.44/x
  3. Step 3: Cross multiply
    25,249.84x = 34,877.60 × 20,487.44
  4. Step 4: Simplify right side
    25,249.84x = 714,552,737.34
  5. Step 5: Solve for x
    x = 714,552,737.34/25,249.84
  6. Step 6: Final answer
    x = 28,299.30

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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.