Home / 25,731.60-38,599.20-10,938.84

Finding the Fourth Proportional to 25,731.60, 38,599.20 and 10,938.84

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Solution

The fourth proportional to 25,731.60, 38,599.20 and 10,938.84 is: 16,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.60 : 38,599.20 = 10,938.84 : x
  2. Step 2: Convert to fraction form
    25,731.60/38,599.20 = 10,938.84/x
  3. Step 3: Cross multiply
    25,731.60x = 38,599.20 × 10,938.84
  4. Step 4: Simplify right side
    25,731.60x = 422,230,472.93
  5. Step 5: Solve for x
    x = 422,230,472.93/25,731.60
  6. Step 6: Final answer
    x = 16,409.03

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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.