Home / 26,622.60-39,885.90-15,520.20

Finding the Fourth Proportional to 26,622.60, 39,885.90 and 15,520.20

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Solution

The fourth proportional to 26,622.60, 39,885.90 and 15,520.20 is: 23,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,622.60 : 39,885.90 = 15,520.20 : x
  2. Step 2: Convert to fraction form
    26,622.60/39,885.90 = 15,520.20/x
  3. Step 3: Cross multiply
    26,622.60x = 39,885.90 × 15,520.20
  4. Step 4: Simplify right side
    26,622.60x = 619,037,145.18
  5. Step 5: Solve for x
    x = 619,037,145.18/26,622.60
  6. Step 6: Final answer
    x = 23,252.32

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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.