Home / 27,958.84-41,907.92-13,929.32

Finding the Fourth Proportional to 27,958.84, 41,907.92 and 13,929.32

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Solution

The fourth proportional to 27,958.84, 41,907.92 and 13,929.32 is: 20,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.84 : 41,907.92 = 13,929.32 : x
  2. Step 2: Convert to fraction form
    27,958.84/41,907.92 = 13,929.32/x
  3. Step 3: Cross multiply
    27,958.84x = 41,907.92 × 13,929.32
  4. Step 4: Simplify right side
    27,958.84x = 583,748,828.21
  5. Step 5: Solve for x
    x = 583,748,828.21/27,958.84
  6. Step 6: Final answer
    x = 20,878.86

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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.