Home / 25,364.28-35,003.96-15,295.98

Finding the Fourth Proportional to 25,364.28, 35,003.96 and 15,295.98

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Solution

The fourth proportional to 25,364.28, 35,003.96 and 15,295.98 is: 21,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.28 : 35,003.96 = 15,295.98 : x
  2. Step 2: Convert to fraction form
    25,364.28/35,003.96 = 15,295.98/x
  3. Step 3: Cross multiply
    25,364.28x = 35,003.96 × 15,295.98
  4. Step 4: Simplify right side
    25,364.28x = 535,419,872.08
  5. Step 5: Solve for x
    x = 535,419,872.08/25,364.28
  6. Step 6: Final answer
    x = 21,109.21

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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.