Home / 18,038.45-27,053.82-4,890.93

Finding the Fourth Proportional to 18,038.45, 27,053.82 and 4,890.93

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Solution

The fourth proportional to 18,038.45, 27,053.82 and 4,890.93 is: 7,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.45 : 27,053.82 = 4,890.93 : x
  2. Step 2: Convert to fraction form
    18,038.45/27,053.82 = 4,890.93/x
  3. Step 3: Cross multiply
    18,038.45x = 27,053.82 × 4,890.93
  4. Step 4: Simplify right side
    18,038.45x = 132,318,339.85
  5. Step 5: Solve for x
    x = 132,318,339.85/18,038.45
  6. Step 6: Final answer
    x = 7,335.35

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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.