Home / 26,142.64-39,214.66-6,421.12

Finding the Fourth Proportional to 26,142.64, 39,214.66 and 6,421.12

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Solution

The fourth proportional to 26,142.64, 39,214.66 and 6,421.12 is: 9,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.64 : 39,214.66 = 6,421.12 : x
  2. Step 2: Convert to fraction form
    26,142.64/39,214.66 = 6,421.12/x
  3. Step 3: Cross multiply
    26,142.64x = 39,214.66 × 6,421.12
  4. Step 4: Simplify right side
    26,142.64x = 251,802,037.62
  5. Step 5: Solve for x
    x = 251,802,037.62/26,142.64
  6. Step 6: Final answer
    x = 9,631.85

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Similar ratio
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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.