Home / 29,246.55-40,360.23-15,817.80

Finding the Fourth Proportional to 29,246.55, 40,360.23 and 15,817.80

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Solution

The fourth proportional to 29,246.55, 40,360.23 and 15,817.80 is: 21,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.55 : 40,360.23 = 15,817.80 : x
  2. Step 2: Convert to fraction form
    29,246.55/40,360.23 = 15,817.80/x
  3. Step 3: Cross multiply
    29,246.55x = 40,360.23 × 15,817.80
  4. Step 4: Simplify right side
    29,246.55x = 638,410,046.09
  5. Step 5: Solve for x
    x = 638,410,046.09/29,246.55
  6. Step 6: Final answer
    x = 21,828.56

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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.