Home / 28,165.62-42,248.99-9,442.17

Finding the Fourth Proportional to 28,165.62, 42,248.99 and 9,442.17

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Solution

The fourth proportional to 28,165.62, 42,248.99 and 9,442.17 is: 14,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.62 : 42,248.99 = 9,442.17 : x
  2. Step 2: Convert to fraction form
    28,165.62/42,248.99 = 9,442.17/x
  3. Step 3: Cross multiply
    28,165.62x = 42,248.99 × 9,442.17
  4. Step 4: Simplify right side
    28,165.62x = 398,922,169.51
  5. Step 5: Solve for x
    x = 398,922,169.51/28,165.62
  6. Step 6: Final answer
    x = 14,163.44

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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.