Home / 28,498.62-42,704.18-17,388.66

Finding the Fourth Proportional to 28,498.62, 42,704.18 and 17,388.66

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Solution

The fourth proportional to 28,498.62, 42,704.18 and 17,388.66 is: 26,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.62 : 42,704.18 = 17,388.66 : x
  2. Step 2: Convert to fraction form
    28,498.62/42,704.18 = 17,388.66/x
  3. Step 3: Cross multiply
    28,498.62x = 42,704.18 × 17,388.66
  4. Step 4: Simplify right side
    28,498.62x = 742,568,466.60
  5. Step 5: Solve for x
    x = 742,568,466.60/28,498.62
  6. Step 6: Final answer
    x = 26,056.30

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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.