Home / 25,979.87-35,852.19-14,043.21

Finding the Fourth Proportional to 25,979.87, 35,852.19 and 14,043.21

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Solution

The fourth proportional to 25,979.87, 35,852.19 and 14,043.21 is: 19,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.87 : 35,852.19 = 14,043.21 : x
  2. Step 2: Convert to fraction form
    25,979.87/35,852.19 = 14,043.21/x
  3. Step 3: Cross multiply
    25,979.87x = 35,852.19 × 14,043.21
  4. Step 4: Simplify right side
    25,979.87x = 503,479,833.13
  5. Step 5: Solve for x
    x = 503,479,833.13/25,979.87
  6. Step 6: Final answer
    x = 19,379.61

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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.