Home / 25,209.45-37,820.40-10,422.60

Finding the Fourth Proportional to 25,209.45, 37,820.40 and 10,422.60

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Solution

The fourth proportional to 25,209.45, 37,820.40 and 10,422.60 is: 15,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.45 : 37,820.40 = 10,422.60 : x
  2. Step 2: Convert to fraction form
    25,209.45/37,820.40 = 10,422.60/x
  3. Step 3: Cross multiply
    25,209.45x = 37,820.40 × 10,422.60
  4. Step 4: Simplify right side
    25,209.45x = 394,186,901.04
  5. Step 5: Solve for x
    x = 394,186,901.04/25,209.45
  6. Step 6: Final answer
    x = 15,636.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.