Home / 27,579.40-41,320.30-26,665.80

Finding the Fourth Proportional to 27,579.40, 41,320.30 and 26,665.80

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Solution

The fourth proportional to 27,579.40, 41,320.30 and 26,665.80 is: 39,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.40 : 41,320.30 = 26,665.80 : x
  2. Step 2: Convert to fraction form
    27,579.40/41,320.30 = 26,665.80/x
  3. Step 3: Cross multiply
    27,579.40x = 41,320.30 × 26,665.80
  4. Step 4: Simplify right side
    27,579.40x = 1,101,838,855.74
  5. Step 5: Solve for x
    x = 1,101,838,855.74/27,579.40
  6. Step 6: Final answer
    x = 39,951.52

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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.