Home / 27,920.42-41,852.57-13,858.82

Finding the Fourth Proportional to 27,920.42, 41,852.57 and 13,858.82

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Solution

The fourth proportional to 27,920.42, 41,852.57 and 13,858.82 is: 20,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.42 : 41,852.57 = 13,858.82 : x
  2. Step 2: Convert to fraction form
    27,920.42/41,852.57 = 13,858.82/x
  3. Step 3: Cross multiply
    27,920.42x = 41,852.57 × 13,858.82
  4. Step 4: Simplify right side
    27,920.42x = 580,026,955.61
  5. Step 5: Solve for x
    x = 580,026,955.61/27,920.42
  6. Step 6: Final answer
    x = 20,774.30

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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.