Home / 25,141.20-37,717.20-7,612.80

Finding the Fourth Proportional to 25,141.20, 37,717.20 and 7,612.80

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Solution

The fourth proportional to 25,141.20, 37,717.20 and 7,612.80 is: 11,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.20 : 37,717.20 = 7,612.80 : x
  2. Step 2: Convert to fraction form
    25,141.20/37,717.20 = 7,612.80/x
  3. Step 3: Cross multiply
    25,141.20x = 37,717.20 × 7,612.80
  4. Step 4: Simplify right side
    25,141.20x = 287,133,500.16
  5. Step 5: Solve for x
    x = 287,133,500.16/25,141.20
  6. Step 6: Final answer
    x = 11,420.84

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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.