Home / 28,134.69-42,181.02-17,038.68

Finding the Fourth Proportional to 28,134.69, 42,181.02 and 17,038.68

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Solution

The fourth proportional to 28,134.69, 42,181.02 and 17,038.68 is: 25,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134.69 : 42,181.02 = 17,038.68 : x
  2. Step 2: Convert to fraction form
    28,134.69/42,181.02 = 17,038.68/x
  3. Step 3: Cross multiply
    28,134.69x = 42,181.02 × 17,038.68
  4. Step 4: Simplify right side
    28,134.69x = 718,708,901.85
  5. Step 5: Solve for x
    x = 718,708,901.85/28,134.69
  6. Step 6: Final answer
    x = 25,545.29

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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.