Home / 19,395.75-29,095.31-5,355.80

Finding the Fourth Proportional to 19,395.75, 29,095.31 and 5,355.80

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Solution

The fourth proportional to 19,395.75, 29,095.31 and 5,355.80 is: 8,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.75 : 29,095.31 = 5,355.80 : x
  2. Step 2: Convert to fraction form
    19,395.75/29,095.31 = 5,355.80/x
  3. Step 3: Cross multiply
    19,395.75x = 29,095.31 × 5,355.80
  4. Step 4: Simplify right side
    19,395.75x = 155,828,529.21
  5. Step 5: Solve for x
    x = 155,828,529.21/19,395.75
  6. Step 6: Final answer
    x = 8,034.16

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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.