Home / 19,072-26,320.44-10,689.04

Finding the Fourth Proportional to 19,072, 26,320.44 and 10,689.04

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Solution

The fourth proportional to 19,072, 26,320.44 and 10,689.04 is: 14,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072 : 26,320.44 = 10,689.04 : x
  2. Step 2: Convert to fraction form
    19,072/26,320.44 = 10,689.04/x
  3. Step 3: Cross multiply
    19,072x = 26,320.44 × 10,689.04
  4. Step 4: Simplify right side
    19,072x = 281,340,235.98
  5. Step 5: Solve for x
    x = 281,340,235.98/19,072
  6. Step 6: Final answer
    x = 14,751.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.