Home / 25,445.34-38,170.44-7,910.46

Finding the Fourth Proportional to 25,445.34, 38,170.44 and 7,910.46

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Solution

The fourth proportional to 25,445.34, 38,170.44 and 7,910.46 is: 11,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.34 : 38,170.44 = 7,910.46 : x
  2. Step 2: Convert to fraction form
    25,445.34/38,170.44 = 7,910.46/x
  3. Step 3: Cross multiply
    25,445.34x = 38,170.44 × 7,910.46
  4. Step 4: Simplify right side
    25,445.34x = 301,945,738.80
  5. Step 5: Solve for x
    x = 301,945,738.80/25,445.34
  6. Step 6: Final answer
    x = 11,866.45

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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.