Home / 26,821.18-40,231.80-9,291.00

Finding the Fourth Proportional to 26,821.18, 40,231.80 and 9,291.00

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Solution

The fourth proportional to 26,821.18, 40,231.80 and 9,291.00 is: 13,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.18 : 40,231.80 = 9,291.00 : x
  2. Step 2: Convert to fraction form
    26,821.18/40,231.80 = 9,291.00/x
  3. Step 3: Cross multiply
    26,821.18x = 40,231.80 × 9,291.00
  4. Step 4: Simplify right side
    26,821.18x = 373,793,804.67
  5. Step 5: Solve for x
    x = 373,793,804.67/26,821.18
  6. Step 6: Final answer
    x = 13,936.52

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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.