Home / 15,435.20-23,152.79-3,748.34

Finding the Fourth Proportional to 15,435.20, 23,152.79 and 3,748.34

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Solution

The fourth proportional to 15,435.20, 23,152.79 and 3,748.34 is: 5,622.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.20 : 23,152.79 = 3,748.34 : x
  2. Step 2: Convert to fraction form
    15,435.20/23,152.79 = 3,748.34/x
  3. Step 3: Cross multiply
    15,435.20x = 23,152.79 × 3,748.34
  4. Step 4: Simplify right side
    15,435.20x = 86,784,422.48
  5. Step 5: Solve for x
    x = 86,784,422.48/15,435.20
  6. Step 6: Final answer
    x = 5,622.50

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Similar ratio
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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.