Home / 19,372.38-29,054.74-5,328.80

Finding the Fourth Proportional to 19,372.38, 29,054.74 and 5,328.80

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Solution

The fourth proportional to 19,372.38, 29,054.74 and 5,328.80 is: 7,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.38 : 29,054.74 = 5,328.80 : x
  2. Step 2: Convert to fraction form
    19,372.38/29,054.74 = 5,328.80/x
  3. Step 3: Cross multiply
    19,372.38x = 29,054.74 × 5,328.80
  4. Step 4: Simplify right side
    19,372.38x = 154,826,898.51
  5. Step 5: Solve for x
    x = 154,826,898.51/19,372.38
  6. Step 6: Final answer
    x = 7,992.15

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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.