Home / 28,404.42-42,574.28-17,286.62

Finding the Fourth Proportional to 28,404.42, 42,574.28 and 17,286.62

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Solution

The fourth proportional to 28,404.42, 42,574.28 and 17,286.62 is: 25,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404.42 : 42,574.28 = 17,286.62 : x
  2. Step 2: Convert to fraction form
    28,404.42/42,574.28 = 17,286.62/x
  3. Step 3: Cross multiply
    28,404.42x = 42,574.28 × 17,286.62
  4. Step 4: Simplify right side
    28,404.42x = 735,965,400.13
  5. Step 5: Solve for x
    x = 735,965,400.13/28,404.42
  6. Step 6: Final answer
    x = 25,910.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.