Home / 25,844.75-35,671.31-15,771.03

Finding the Fourth Proportional to 25,844.75, 35,671.31 and 15,771.03

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Solution

The fourth proportional to 25,844.75, 35,671.31 and 15,771.03 is: 21,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,844.75 : 35,671.31 = 15,771.03 : x
  2. Step 2: Convert to fraction form
    25,844.75/35,671.31 = 15,771.03/x
  3. Step 3: Cross multiply
    25,844.75x = 35,671.31 × 15,771.03
  4. Step 4: Simplify right side
    25,844.75x = 562,573,300.15
  5. Step 5: Solve for x
    x = 562,573,300.15/25,844.75
  6. Step 6: Final answer
    x = 21,767.41

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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.