Home / 28,110.44-42,172.06-9,641.32

Finding the Fourth Proportional to 28,110.44, 42,172.06 and 9,641.32

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Solution

The fourth proportional to 28,110.44, 42,172.06 and 9,641.32 is: 14,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.44 : 42,172.06 = 9,641.32 : x
  2. Step 2: Convert to fraction form
    28,110.44/42,172.06 = 9,641.32/x
  3. Step 3: Cross multiply
    28,110.44x = 42,172.06 × 9,641.32
  4. Step 4: Simplify right side
    28,110.44x = 406,594,325.52
  5. Step 5: Solve for x
    x = 406,594,325.52/28,110.44
  6. Step 6: Final answer
    x = 14,464.18

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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.