Home / 25,193.76-37,889.20-21,257.16

Finding the Fourth Proportional to 25,193.76, 37,889.20 and 21,257.16

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Solution

The fourth proportional to 25,193.76, 37,889.20 and 21,257.16 is: 31,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193.76 : 37,889.20 = 21,257.16 : x
  2. Step 2: Convert to fraction form
    25,193.76/37,889.20 = 21,257.16/x
  3. Step 3: Cross multiply
    25,193.76x = 37,889.20 × 21,257.16
  4. Step 4: Simplify right side
    25,193.76x = 805,416,786.67
  5. Step 5: Solve for x
    x = 805,416,786.67/25,193.76
  6. Step 6: Final answer
    x = 31,968.90

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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.