Home / 25,739.22-38,614.83-8,207.70

Finding the Fourth Proportional to 25,739.22, 38,614.83 and 8,207.70

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Solution

The fourth proportional to 25,739.22, 38,614.83 and 8,207.70 is: 12,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.22 : 38,614.83 = 8,207.70 : x
  2. Step 2: Convert to fraction form
    25,739.22/38,614.83 = 8,207.70/x
  3. Step 3: Cross multiply
    25,739.22x = 38,614.83 × 8,207.70
  4. Step 4: Simplify right side
    25,739.22x = 316,938,940.19
  5. Step 5: Solve for x
    x = 316,938,940.19/25,739.22
  6. Step 6: Final answer
    x = 12,313.46

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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.