Home / 15,757.32-23,641.38-5,376.36

Finding the Fourth Proportional to 15,757.32, 23,641.38 and 5,376.36

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Solution

The fourth proportional to 15,757.32, 23,641.38 and 5,376.36 is: 8,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.32 : 23,641.38 = 5,376.36 : x
  2. Step 2: Convert to fraction form
    15,757.32/23,641.38 = 5,376.36/x
  3. Step 3: Cross multiply
    15,757.32x = 23,641.38 × 5,376.36
  4. Step 4: Simplify right side
    15,757.32x = 127,104,569.78
  5. Step 5: Solve for x
    x = 127,104,569.78/15,757.32
  6. Step 6: Final answer
    x = 8,066.38

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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.