Home / 26,633.26-39,948.32-9,991.90

Finding the Fourth Proportional to 26,633.26, 39,948.32 and 9,991.90

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Solution

The fourth proportional to 26,633.26, 39,948.32 and 9,991.90 is: 14,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.26 : 39,948.32 = 9,991.90 : x
  2. Step 2: Convert to fraction form
    26,633.26/39,948.32 = 9,991.90/x
  3. Step 3: Cross multiply
    26,633.26x = 39,948.32 × 9,991.90
  4. Step 4: Simplify right side
    26,633.26x = 399,159,440.71
  5. Step 5: Solve for x
    x = 399,159,440.71/26,633.26
  6. Step 6: Final answer
    x = 14,987.26

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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.