Home / 25,078.69-37,632.62-19,781.29

Finding the Fourth Proportional to 25,078.69, 37,632.62 and 19,781.29

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Solution

The fourth proportional to 25,078.69, 37,632.62 and 19,781.29 is: 29,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.69 : 37,632.62 = 19,781.29 : x
  2. Step 2: Convert to fraction form
    25,078.69/37,632.62 = 19,781.29/x
  3. Step 3: Cross multiply
    25,078.69x = 37,632.62 × 19,781.29
  4. Step 4: Simplify right side
    25,078.69x = 744,421,769.68
  5. Step 5: Solve for x
    x = 744,421,769.68/25,078.69
  6. Step 6: Final answer
    x = 29,683.44

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1.5x scale

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.