Home / 28,081.17-42,107.67-9,354.62

Finding the Fourth Proportional to 28,081.17, 42,107.67 and 9,354.62

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Solution

The fourth proportional to 28,081.17, 42,107.67 and 9,354.62 is: 14,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.17 : 42,107.67 = 9,354.62 : x
  2. Step 2: Convert to fraction form
    28,081.17/42,107.67 = 9,354.62/x
  3. Step 3: Cross multiply
    28,081.17x = 42,107.67 × 9,354.62
  4. Step 4: Simplify right side
    28,081.17x = 393,901,357.20
  5. Step 5: Solve for x
    x = 393,901,357.20/28,081.17
  6. Step 6: Final answer
    x = 14,027.24

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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.