Home / 25,138.88-37,650.89-12,000.48

Finding the Fourth Proportional to 25,138.88, 37,650.89 and 12,000.48

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Solution

The fourth proportional to 25,138.88, 37,650.89 and 12,000.48 is: 17,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,138.88 : 37,650.89 = 12,000.48 : x
  2. Step 2: Convert to fraction form
    25,138.88/37,650.89 = 12,000.48/x
  3. Step 3: Cross multiply
    25,138.88x = 37,650.89 × 12,000.48
  4. Step 4: Simplify right side
    25,138.88x = 451,828,573.73
  5. Step 5: Solve for x
    x = 451,828,573.73/25,138.88
  6. Step 6: Final answer
    x = 17,973.30

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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.