Home / 25,630.21-38,445.90-7,861.24

Finding the Fourth Proportional to 25,630.21, 38,445.90 and 7,861.24

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Solution

The fourth proportional to 25,630.21, 38,445.90 and 7,861.24 is: 11,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.21 : 38,445.90 = 7,861.24 : x
  2. Step 2: Convert to fraction form
    25,630.21/38,445.90 = 7,861.24/x
  3. Step 3: Cross multiply
    25,630.21x = 38,445.90 × 7,861.24
  4. Step 4: Simplify right side
    25,630.21x = 302,232,446.92
  5. Step 5: Solve for x
    x = 302,232,446.92/25,630.21
  6. Step 6: Final answer
    x = 11,792.04

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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.