Home / 21,442.62-32,162.90-5,860.28

Finding the Fourth Proportional to 21,442.62, 32,162.90 and 5,860.28

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Solution

The fourth proportional to 21,442.62, 32,162.90 and 5,860.28 is: 8,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.62 : 32,162.90 = 5,860.28 : x
  2. Step 2: Convert to fraction form
    21,442.62/32,162.90 = 5,860.28/x
  3. Step 3: Cross multiply
    21,442.62x = 32,162.90 × 5,860.28
  4. Step 4: Simplify right side
    21,442.62x = 188,483,599.61
  5. Step 5: Solve for x
    x = 188,483,599.61/21,442.62
  6. Step 6: Final answer
    x = 8,790.14

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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.