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Finding the Fourth Proportional to 25,998.65, 35,879.79 and 14,664.06

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Solution

The fourth proportional to 25,998.65, 35,879.79 and 14,664.06 is: 20,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,998.65 : 35,879.79 = 14,664.06 : x
  2. Step 2: Convert to fraction form
    25,998.65/35,879.79 = 14,664.06/x
  3. Step 3: Cross multiply
    25,998.65x = 35,879.79 × 14,664.06
  4. Step 4: Simplify right side
    25,998.65x = 526,143,425.52
  5. Step 5: Solve for x
    x = 526,143,425.52/25,998.65
  6. Step 6: Final answer
    x = 20,237.34

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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.