Home / 27,920.17-41,887.13-13,886.84

Finding the Fourth Proportional to 27,920.17, 41,887.13 and 13,886.84

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Solution

The fourth proportional to 27,920.17, 41,887.13 and 13,886.84 is: 20,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.17 : 41,887.13 = 13,886.84 : x
  2. Step 2: Convert to fraction form
    27,920.17/41,887.13 = 13,886.84/x
  3. Step 3: Cross multiply
    27,920.17x = 41,887.13 × 13,886.84
  4. Step 4: Simplify right side
    27,920.17x = 581,679,907.65
  5. Step 5: Solve for x
    x = 581,679,907.65/27,920.17
  6. Step 6: Final answer
    x = 20,833.68

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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.