Home / 39,279.40-54,142.55-26,528.51

Finding the Fourth Proportional to 39,279.40, 54,142.55 and 26,528.51

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Solution

The fourth proportional to 39,279.40, 54,142.55 and 26,528.51 is: 36,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.40 : 54,142.55 = 26,528.51 : x
  2. Step 2: Convert to fraction form
    39,279.40/54,142.55 = 26,528.51/x
  3. Step 3: Cross multiply
    39,279.40x = 54,142.55 × 26,528.51
  4. Step 4: Simplify right side
    39,279.40x = 1,436,321,016.72
  5. Step 5: Solve for x
    x = 1,436,321,016.72/39,279.40
  6. Step 6: Final answer
    x = 36,566.77

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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.