Home / 26,909.29-40,364.16-9,379.09

Finding the Fourth Proportional to 26,909.29, 40,364.16 and 9,379.09

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Solution

The fourth proportional to 26,909.29, 40,364.16 and 9,379.09 is: 14,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.29 : 40,364.16 = 9,379.09 : x
  2. Step 2: Convert to fraction form
    26,909.29/40,364.16 = 9,379.09/x
  3. Step 3: Cross multiply
    26,909.29x = 40,364.16 × 9,379.09
  4. Step 4: Simplify right side
    26,909.29x = 378,579,089.41
  5. Step 5: Solve for x
    x = 378,579,089.41/26,909.29
  6. Step 6: Final answer
    x = 14,068.71

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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.