Home / 25,949.63-38,929.93-8,418.11

Finding the Fourth Proportional to 25,949.63, 38,929.93 and 8,418.11

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Solution

The fourth proportional to 25,949.63, 38,929.93 and 8,418.11 is: 12,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.63 : 38,929.93 = 8,418.11 : x
  2. Step 2: Convert to fraction form
    25,949.63/38,929.93 = 8,418.11/x
  3. Step 3: Cross multiply
    25,949.63x = 38,929.93 × 8,418.11
  4. Step 4: Simplify right side
    25,949.63x = 327,716,217.34
  5. Step 5: Solve for x
    x = 327,716,217.34/25,949.63
  6. Step 6: Final answer
    x = 12,628.93

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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.