Home / 25,610.40-38,415.60-20,944.80

Finding the Fourth Proportional to 25,610.40, 38,415.60 and 20,944.80

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Solution

The fourth proportional to 25,610.40, 38,415.60 and 20,944.80 is: 31,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.40 : 38,415.60 = 20,944.80 : x
  2. Step 2: Convert to fraction form
    25,610.40/38,415.60 = 20,944.80/x
  3. Step 3: Cross multiply
    25,610.40x = 38,415.60 × 20,944.80
  4. Step 4: Simplify right side
    25,610.40x = 804,607,058.88
  5. Step 5: Solve for x
    x = 804,607,058.88/25,610.40
  6. Step 6: Final answer
    x = 31,417.20

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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.