Home / 19,238.98-28,869.27-8,851.54

Finding the Fourth Proportional to 19,238.98, 28,869.27 and 8,851.54

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Solution

The fourth proportional to 19,238.98, 28,869.27 and 8,851.54 is: 13,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.98 : 28,869.27 = 8,851.54 : x
  2. Step 2: Convert to fraction form
    19,238.98/28,869.27 = 8,851.54/x
  3. Step 3: Cross multiply
    19,238.98x = 28,869.27 × 8,851.54
  4. Step 4: Simplify right side
    19,238.98x = 255,537,498.18
  5. Step 5: Solve for x
    x = 255,537,498.18/19,238.98
  6. Step 6: Final answer
    x = 13,282.28

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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.