Home / 39,958.22-55,125.54-28,029.35

Finding the Fourth Proportional to 39,958.22, 55,125.54 and 28,029.35

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Solution

The fourth proportional to 39,958.22, 55,125.54 and 28,029.35 is: 38,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.22 : 55,125.54 = 28,029.35 : x
  2. Step 2: Convert to fraction form
    39,958.22/55,125.54 = 28,029.35/x
  3. Step 3: Cross multiply
    39,958.22x = 55,125.54 × 28,029.35
  4. Step 4: Simplify right side
    39,958.22x = 1,545,133,054.60
  5. Step 5: Solve for x
    x = 1,545,133,054.60/39,958.22
  6. Step 6: Final answer
    x = 38,668.72

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1.5x scale

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.