Home / 19,266.18-28,897.64-7,579.38

Finding the Fourth Proportional to 19,266.18, 28,897.64 and 7,579.38

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Solution

The fourth proportional to 19,266.18, 28,897.64 and 7,579.38 is: 11,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.18 : 28,897.64 = 7,579.38 : x
  2. Step 2: Convert to fraction form
    19,266.18/28,897.64 = 7,579.38/x
  3. Step 3: Cross multiply
    19,266.18x = 28,897.64 × 7,579.38
  4. Step 4: Simplify right side
    19,266.18x = 219,026,194.66
  5. Step 5: Solve for x
    x = 219,026,194.66/19,266.18
  6. Step 6: Final answer
    x = 11,368.43

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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.