Home / 26,451.92-39,666.15-12,400.60

Finding the Fourth Proportional to 26,451.92, 39,666.15 and 12,400.60

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Solution

The fourth proportional to 26,451.92, 39,666.15 and 12,400.60 is: 18,595.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,451.92 : 39,666.15 = 12,400.60 : x
  2. Step 2: Convert to fraction form
    26,451.92/39,666.15 = 12,400.60/x
  3. Step 3: Cross multiply
    26,451.92x = 39,666.15 × 12,400.60
  4. Step 4: Simplify right side
    26,451.92x = 491,884,059.69
  5. Step 5: Solve for x
    x = 491,884,059.69/26,451.92
  6. Step 6: Final answer
    x = 18,595.40

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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.