Home / 25,630.20-38,474.10-19,812.60

Finding the Fourth Proportional to 25,630.20, 38,474.10 and 19,812.60

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Solution

The fourth proportional to 25,630.20, 38,474.10 and 19,812.60 is: 29,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.20 : 38,474.10 = 19,812.60 : x
  2. Step 2: Convert to fraction form
    25,630.20/38,474.10 = 19,812.60/x
  3. Step 3: Cross multiply
    25,630.20x = 38,474.10 × 19,812.60
  4. Step 4: Simplify right side
    25,630.20x = 762,271,953.66
  5. Step 5: Solve for x
    x = 762,271,953.66/25,630.20
  6. Step 6: Final answer
    x = 29,741.16

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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.