Home / 26,390.18-39,575.24-8,616.62

Finding the Fourth Proportional to 26,390.18, 39,575.24 and 8,616.62

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Solution

The fourth proportional to 26,390.18, 39,575.24 and 8,616.62 is: 12,921.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.18 : 39,575.24 = 8,616.62 : x
  2. Step 2: Convert to fraction form
    26,390.18/39,575.24 = 8,616.62/x
  3. Step 3: Cross multiply
    26,390.18x = 39,575.24 × 8,616.62
  4. Step 4: Simplify right side
    26,390.18x = 341,004,595.84
  5. Step 5: Solve for x
    x = 341,004,595.84/26,390.18
  6. Step 6: Final answer
    x = 12,921.65

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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.