Home / 28,071.04-42,110.72-9,344.96

Finding the Fourth Proportional to 28,071.04, 42,110.72 and 9,344.96

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Solution

The fourth proportional to 28,071.04, 42,110.72 and 9,344.96 is: 14,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.04 : 42,110.72 = 9,344.96 : x
  2. Step 2: Convert to fraction form
    28,071.04/42,110.72 = 9,344.96/x
  3. Step 3: Cross multiply
    28,071.04x = 42,110.72 × 9,344.96
  4. Step 4: Simplify right side
    28,071.04x = 393,522,993.97
  5. Step 5: Solve for x
    x = 393,522,993.97/28,071.04
  6. Step 6: Final answer
    x = 14,018.82

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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.