Home / 25,999.36-38,975.12-14,135.80

Finding the Fourth Proportional to 25,999.36, 38,975.12 and 14,135.80

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Solution

The fourth proportional to 25,999.36, 38,975.12 and 14,135.80 is: 21,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.36 : 38,975.12 = 14,135.80 : x
  2. Step 2: Convert to fraction form
    25,999.36/38,975.12 = 14,135.80/x
  3. Step 3: Cross multiply
    25,999.36x = 38,975.12 × 14,135.80
  4. Step 4: Simplify right side
    25,999.36x = 550,944,235.74
  5. Step 5: Solve for x
    x = 550,944,235.74/25,999.36
  6. Step 6: Final answer
    x = 21,190.69

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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.