Home / 39,628.24-54,683.78-22,858

Finding the Fourth Proportional to 39,628.24, 54,683.78 and 22,858

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Solution

The fourth proportional to 39,628.24, 54,683.78 and 22,858 is: 31,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.24 : 54,683.78 = 22,858 : x
  2. Step 2: Convert to fraction form
    39,628.24/54,683.78 = 22,858/x
  3. Step 3: Cross multiply
    39,628.24x = 54,683.78 × 22,858
  4. Step 4: Simplify right side
    39,628.24x = 1,249,961,843.24
  5. Step 5: Solve for x
    x = 1,249,961,843.24/39,628.24
  6. Step 6: Final answer
    x = 31,542.20

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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.