Home / 25,749.98-38,557.26-20,725.60

Finding the Fourth Proportional to 25,749.98, 38,557.26 and 20,725.60

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Solution

The fourth proportional to 25,749.98, 38,557.26 and 20,725.60 is: 31,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.98 : 38,557.26 = 20,725.60 : x
  2. Step 2: Convert to fraction form
    25,749.98/38,557.26 = 20,725.60/x
  3. Step 3: Cross multiply
    25,749.98x = 38,557.26 × 20,725.60
  4. Step 4: Simplify right side
    25,749.98x = 799,122,347.86
  5. Step 5: Solve for x
    x = 799,122,347.86/25,749.98
  6. Step 6: Final answer
    x = 31,033.90

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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.