Home / 34,015.76-46,928.28-19,672.96

Finding the Fourth Proportional to 34,015.76, 46,928.28 and 19,672.96

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Solution

The fourth proportional to 34,015.76, 46,928.28 and 19,672.96 is: 27,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.76 : 46,928.28 = 19,672.96 : x
  2. Step 2: Convert to fraction form
    34,015.76/46,928.28 = 19,672.96/x
  3. Step 3: Cross multiply
    34,015.76x = 46,928.28 × 19,672.96
  4. Step 4: Simplify right side
    34,015.76x = 923,218,175.31
  5. Step 5: Solve for x
    x = 923,218,175.31/34,015.76
  6. Step 6: Final answer
    x = 27,140.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.