Home / 19,281.30-28,929.15-7,602.66

Finding the Fourth Proportional to 19,281.30, 28,929.15 and 7,602.66

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Solution

The fourth proportional to 19,281.30, 28,929.15 and 7,602.66 is: 11,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.30 : 28,929.15 = 7,602.66 : x
  2. Step 2: Convert to fraction form
    19,281.30/28,929.15 = 7,602.66/x
  3. Step 3: Cross multiply
    19,281.30x = 28,929.15 × 7,602.66
  4. Step 4: Simplify right side
    19,281.30x = 219,938,491.54
  5. Step 5: Solve for x
    x = 219,938,491.54/19,281.30
  6. Step 6: Final answer
    x = 11,406.83

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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.