Home / 25,110.55-34,615.55-19,131.85

Finding the Fourth Proportional to 25,110.55, 34,615.55 and 19,131.85

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Solution

The fourth proportional to 25,110.55, 34,615.55 and 19,131.85 is: 26,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.55 : 34,615.55 = 19,131.85 : x
  2. Step 2: Convert to fraction form
    25,110.55/34,615.55 = 19,131.85/x
  3. Step 3: Cross multiply
    25,110.55x = 34,615.55 × 19,131.85
  4. Step 4: Simplify right side
    25,110.55x = 662,259,241.53
  5. Step 5: Solve for x
    x = 662,259,241.53/25,110.55
  6. Step 6: Final answer
    x = 26,373.75

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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.