Home / 25,817.50-35,622.66-15,203.26

Finding the Fourth Proportional to 25,817.50, 35,622.66 and 15,203.26

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Solution

The fourth proportional to 25,817.50, 35,622.66 and 15,203.26 is: 20,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.50 : 35,622.66 = 15,203.26 : x
  2. Step 2: Convert to fraction form
    25,817.50/35,622.66 = 15,203.26/x
  3. Step 3: Cross multiply
    25,817.50x = 35,622.66 × 15,203.26
  4. Step 4: Simplify right side
    25,817.50x = 541,580,561.87
  5. Step 5: Solve for x
    x = 541,580,561.87/25,817.50
  6. Step 6: Final answer
    x = 20,977.27

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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.