Home / 23,428.68-35,135.78-12,329.34

Finding the Fourth Proportional to 23,428.68, 35,135.78 and 12,329.34

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Solution

The fourth proportional to 23,428.68, 35,135.78 and 12,329.34 is: 18,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.68 : 35,135.78 = 12,329.34 : x
  2. Step 2: Convert to fraction form
    23,428.68/35,135.78 = 12,329.34/x
  3. Step 3: Cross multiply
    23,428.68x = 35,135.78 × 12,329.34
  4. Step 4: Simplify right side
    23,428.68x = 433,200,977.79
  5. Step 5: Solve for x
    x = 433,200,977.79/23,428.68
  6. Step 6: Final answer
    x = 18,490.20

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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.