Home / 26,821.37-40,232.09-9,291.20

Finding the Fourth Proportional to 26,821.37, 40,232.09 and 9,291.20

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Solution

The fourth proportional to 26,821.37, 40,232.09 and 9,291.20 is: 13,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.37 : 40,232.09 = 9,291.20 : x
  2. Step 2: Convert to fraction form
    26,821.37/40,232.09 = 9,291.20/x
  3. Step 3: Cross multiply
    26,821.37x = 40,232.09 × 9,291.20
  4. Step 4: Simplify right side
    26,821.37x = 373,804,146.99
  5. Step 5: Solve for x
    x = 373,804,146.99/26,821.37
  6. Step 6: Final answer
    x = 13,936.81

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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.