Home / 29,459.46-40,640.86-19,896.28

Finding the Fourth Proportional to 29,459.46, 40,640.86 and 19,896.28

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Solution

The fourth proportional to 29,459.46, 40,640.86 and 19,896.28 is: 27,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.46 : 40,640.86 = 19,896.28 : x
  2. Step 2: Convert to fraction form
    29,459.46/40,640.86 = 19,896.28/x
  3. Step 3: Cross multiply
    29,459.46x = 40,640.86 × 19,896.28
  4. Step 4: Simplify right side
    29,459.46x = 808,601,930.00
  5. Step 5: Solve for x
    x = 808,601,930.00/29,459.46
  6. Step 6: Final answer
    x = 27,447.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.