Home / 39,271.92-54,120.60-28,074.48

Finding the Fourth Proportional to 39,271.92, 54,120.60 and 28,074.48

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Solution

The fourth proportional to 39,271.92, 54,120.60 and 28,074.48 is: 38,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,271.92 : 54,120.60 = 28,074.48 : x
  2. Step 2: Convert to fraction form
    39,271.92/54,120.60 = 28,074.48/x
  3. Step 3: Cross multiply
    39,271.92x = 54,120.60 × 28,074.48
  4. Step 4: Simplify right side
    39,271.92x = 1,519,407,702.29
  5. Step 5: Solve for x
    x = 1,519,407,702.29/39,271.92
  6. Step 6: Final answer
    x = 38,689.42

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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.