Home / 38,939.52-58,276.80-26,428.80

Finding the Fourth Proportional to 38,939.52, 58,276.80 and 26,428.80

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Solution

The fourth proportional to 38,939.52, 58,276.80 and 26,428.80 is: 39,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.52 : 58,276.80 = 26,428.80 : x
  2. Step 2: Convert to fraction form
    38,939.52/58,276.80 = 26,428.80/x
  3. Step 3: Cross multiply
    38,939.52x = 58,276.80 × 26,428.80
  4. Step 4: Simplify right side
    38,939.52x = 1,540,185,891.84
  5. Step 5: Solve for x
    x = 1,540,185,891.84/38,939.52
  6. Step 6: Final answer
    x = 39,553.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.