Home / 39,270.92-54,119.22-28,073.48

Finding the Fourth Proportional to 39,270.92, 54,119.22 and 28,073.48

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Solution

The fourth proportional to 39,270.92, 54,119.22 and 28,073.48 is: 38,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.92 : 54,119.22 = 28,073.48 : x
  2. Step 2: Convert to fraction form
    39,270.92/54,119.22 = 28,073.48/x
  3. Step 3: Cross multiply
    39,270.92x = 54,119.22 × 28,073.48
  4. Step 4: Simplify right side
    39,270.92x = 1,519,314,840.29
  5. Step 5: Solve for x
    x = 1,519,314,840.29/39,270.92
  6. Step 6: Final answer
    x = 38,688.04

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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.