Home / 25,217.20-37,825.80-10,415.60

Finding the Fourth Proportional to 25,217.20, 37,825.80 and 10,415.60

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Solution

The fourth proportional to 25,217.20, 37,825.80 and 10,415.60 is: 15,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.20 : 37,825.80 = 10,415.60 : x
  2. Step 2: Convert to fraction form
    25,217.20/37,825.80 = 10,415.60/x
  3. Step 3: Cross multiply
    25,217.20x = 37,825.80 × 10,415.60
  4. Step 4: Simplify right side
    25,217.20x = 393,978,402.48
  5. Step 5: Solve for x
    x = 393,978,402.48/25,217.20
  6. Step 6: Final answer
    x = 15,623.40

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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.