Home / 25,972.83-38,914.48-20,285.26

Finding the Fourth Proportional to 25,972.83, 38,914.48 and 20,285.26

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Solution

The fourth proportional to 25,972.83, 38,914.48 and 20,285.26 is: 30,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.83 : 38,914.48 = 20,285.26 : x
  2. Step 2: Convert to fraction form
    25,972.83/38,914.48 = 20,285.26/x
  3. Step 3: Cross multiply
    25,972.83x = 38,914.48 × 20,285.26
  4. Step 4: Simplify right side
    25,972.83x = 789,390,267.98
  5. Step 5: Solve for x
    x = 789,390,267.98/25,972.83
  6. Step 6: Final answer
    x = 30,392.93

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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.