Home / 25,299.70-34,909.05-16,345.42

Finding the Fourth Proportional to 25,299.70, 34,909.05 and 16,345.42

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Solution

The fourth proportional to 25,299.70, 34,909.05 and 16,345.42 is: 22,553.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.70 : 34,909.05 = 16,345.42 : x
  2. Step 2: Convert to fraction form
    25,299.70/34,909.05 = 16,345.42/x
  3. Step 3: Cross multiply
    25,299.70x = 34,909.05 × 16,345.42
  4. Step 4: Simplify right side
    25,299.70x = 570,603,084.05
  5. Step 5: Solve for x
    x = 570,603,084.05/25,299.70
  6. Step 6: Final answer
    x = 22,553.75

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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.