Home / 28,934.10-43,356.24-20,066.72

Finding the Fourth Proportional to 28,934.10, 43,356.24 and 20,066.72

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Solution

The fourth proportional to 28,934.10, 43,356.24 and 20,066.72 is: 30,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.10 : 43,356.24 = 20,066.72 : x
  2. Step 2: Convert to fraction form
    28,934.10/43,356.24 = 20,066.72/x
  3. Step 3: Cross multiply
    28,934.10x = 43,356.24 × 20,066.72
  4. Step 4: Simplify right side
    28,934.10x = 870,017,311.55
  5. Step 5: Solve for x
    x = 870,017,311.55/28,934.10
  6. Step 6: Final answer
    x = 30,068.93

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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.