Home / 39,269.92-54,117.84-28,072.48

Finding the Fourth Proportional to 39,269.92, 54,117.84 and 28,072.48

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Solution

The fourth proportional to 39,269.92, 54,117.84 and 28,072.48 is: 38,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.92 : 54,117.84 = 28,072.48 : x
  2. Step 2: Convert to fraction form
    39,269.92/54,117.84 = 28,072.48/x
  3. Step 3: Cross multiply
    39,269.92x = 54,117.84 × 28,072.48
  4. Step 4: Simplify right side
    39,269.92x = 1,519,221,981.04
  5. Step 5: Solve for x
    x = 1,519,221,981.04/39,269.92
  6. Step 6: Final answer
    x = 38,686.66

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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.