Home / 25,629.54-35,372.26-15,023.40

Finding the Fourth Proportional to 25,629.54, 35,372.26 and 15,023.40

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Solution

The fourth proportional to 25,629.54, 35,372.26 and 15,023.40 is: 20,734.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.54 : 35,372.26 = 15,023.40 : x
  2. Step 2: Convert to fraction form
    25,629.54/35,372.26 = 15,023.40/x
  3. Step 3: Cross multiply
    25,629.54x = 35,372.26 × 15,023.40
  4. Step 4: Simplify right side
    25,629.54x = 531,411,610.88
  5. Step 5: Solve for x
    x = 531,411,610.88/25,629.54
  6. Step 6: Final answer
    x = 20,734.34

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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.