Home / 26,461.44-39,689.70-8,931.42

Finding the Fourth Proportional to 26,461.44, 39,689.70 and 8,931.42

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Solution

The fourth proportional to 26,461.44, 39,689.70 and 8,931.42 is: 13,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,461.44 : 39,689.70 = 8,931.42 : x
  2. Step 2: Convert to fraction form
    26,461.44/39,689.70 = 8,931.42/x
  3. Step 3: Cross multiply
    26,461.44x = 39,689.70 × 8,931.42
  4. Step 4: Simplify right side
    26,461.44x = 354,485,380.37
  5. Step 5: Solve for x
    x = 354,485,380.37/26,461.44
  6. Step 6: Final answer
    x = 13,396.30

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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.