Home / 56,727.48-85,103.91-17,287.68

Finding the Fourth Proportional to 56,727.48, 85,103.91 and 17,287.68

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Solution

The fourth proportional to 56,727.48, 85,103.91 and 17,287.68 is: 25,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,727.48 : 85,103.91 = 17,287.68 : x
  2. Step 2: Convert to fraction form
    56,727.48/85,103.91 = 17,287.68/x
  3. Step 3: Cross multiply
    56,727.48x = 85,103.91 × 17,287.68
  4. Step 4: Simplify right side
    56,727.48x = 1,471,249,162.83
  5. Step 5: Solve for x
    x = 1,471,249,162.83/56,727.48
  6. Step 6: Final answer
    x = 25,935.39

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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.