Home / 25,605.97-38,420.84-10,818.34

Finding the Fourth Proportional to 25,605.97, 38,420.84 and 10,818.34

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Solution

The fourth proportional to 25,605.97, 38,420.84 and 10,818.34 is: 16,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.97 : 38,420.84 = 10,818.34 : x
  2. Step 2: Convert to fraction form
    25,605.97/38,420.84 = 10,818.34/x
  3. Step 3: Cross multiply
    25,605.97x = 38,420.84 × 10,818.34
  4. Step 4: Simplify right side
    25,605.97x = 415,649,656.11
  5. Step 5: Solve for x
    x = 415,649,656.11/25,605.97
  6. Step 6: Final answer
    x = 16,232.53

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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.