Home / 19,051.47-28,578.57-6,571.31

Finding the Fourth Proportional to 19,051.47, 28,578.57 and 6,571.31

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Solution

The fourth proportional to 19,051.47, 28,578.57 and 6,571.31 is: 9,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.47 : 28,578.57 = 6,571.31 : x
  2. Step 2: Convert to fraction form
    19,051.47/28,578.57 = 6,571.31/x
  3. Step 3: Cross multiply
    19,051.47x = 28,578.57 × 6,571.31
  4. Step 4: Simplify right side
    19,051.47x = 187,798,673.01
  5. Step 5: Solve for x
    x = 187,798,673.01/19,051.47
  6. Step 6: Final answer
    x = 9,857.44

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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.