Home / 28,411.19-42,616.75-7,634.69

Finding the Fourth Proportional to 28,411.19, 42,616.75 and 7,634.69

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Solution

The fourth proportional to 28,411.19, 42,616.75 and 7,634.69 is: 11,452.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.19 : 42,616.75 = 7,634.69 : x
  2. Step 2: Convert to fraction form
    28,411.19/42,616.75 = 7,634.69/x
  3. Step 3: Cross multiply
    28,411.19x = 42,616.75 × 7,634.69
  4. Step 4: Simplify right side
    28,411.19x = 325,365,675.06
  5. Step 5: Solve for x
    x = 325,365,675.06/28,411.19
  6. Step 6: Final answer
    x = 11,452.03

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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.