Home / 25,448.85-35,119.80-15,375.92

Finding the Fourth Proportional to 25,448.85, 35,119.80 and 15,375.92

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Solution

The fourth proportional to 25,448.85, 35,119.80 and 15,375.92 is: 21,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.85 : 35,119.80 = 15,375.92 : x
  2. Step 2: Convert to fraction form
    25,448.85/35,119.80 = 15,375.92/x
  3. Step 3: Cross multiply
    25,448.85x = 35,119.80 × 15,375.92
  4. Step 4: Simplify right side
    25,448.85x = 539,999,059.62
  5. Step 5: Solve for x
    x = 539,999,059.62/25,448.85
  6. Step 6: Final answer
    x = 21,219.00

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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.