Home / 25,609.90-38,420.22-8,970.48

Finding the Fourth Proportional to 25,609.90, 38,420.22 and 8,970.48

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Solution

The fourth proportional to 25,609.90, 38,420.22 and 8,970.48 is: 13,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.90 : 38,420.22 = 8,970.48 : x
  2. Step 2: Convert to fraction form
    25,609.90/38,420.22 = 8,970.48/x
  3. Step 3: Cross multiply
    25,609.90x = 38,420.22 × 8,970.48
  4. Step 4: Simplify right side
    25,609.90x = 344,647,578.15
  5. Step 5: Solve for x
    x = 344,647,578.15/25,609.90
  6. Step 6: Final answer
    x = 13,457.59

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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.