Home / 26,311.72-39,484.80-9,671.86

Finding the Fourth Proportional to 26,311.72, 39,484.80 and 9,671.86

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Solution

The fourth proportional to 26,311.72, 39,484.80 and 9,671.86 is: 14,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.72 : 39,484.80 = 9,671.86 : x
  2. Step 2: Convert to fraction form
    26,311.72/39,484.80 = 9,671.86/x
  3. Step 3: Cross multiply
    26,311.72x = 39,484.80 × 9,671.86
  4. Step 4: Simplify right side
    26,311.72x = 381,891,457.73
  5. Step 5: Solve for x
    x = 381,891,457.73/26,311.72
  6. Step 6: Final answer
    x = 14,514.12

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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.