Home / 17,385.87-26,077.11-4,905.70

Finding the Fourth Proportional to 17,385.87, 26,077.11 and 4,905.70

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Solution

The fourth proportional to 17,385.87, 26,077.11 and 4,905.70 is: 7,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.87 : 26,077.11 = 4,905.70 : x
  2. Step 2: Convert to fraction form
    17,385.87/26,077.11 = 4,905.70/x
  3. Step 3: Cross multiply
    17,385.87x = 26,077.11 × 4,905.70
  4. Step 4: Simplify right side
    17,385.87x = 127,926,478.53
  5. Step 5: Solve for x
    x = 127,926,478.53/17,385.87
  6. Step 6: Final answer
    x = 7,358.07

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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.