Home / 29,246.10-40,359.49-15,817.37

Finding the Fourth Proportional to 29,246.10, 40,359.49 and 15,817.37

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Solution

The fourth proportional to 29,246.10, 40,359.49 and 15,817.37 is: 21,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.10 : 40,359.49 = 15,817.37 : x
  2. Step 2: Convert to fraction form
    29,246.10/40,359.49 = 15,817.37/x
  3. Step 3: Cross multiply
    29,246.10x = 40,359.49 × 15,817.37
  4. Step 4: Simplify right side
    29,246.10x = 638,380,986.34
  5. Step 5: Solve for x
    x = 638,380,986.34/29,246.10
  6. Step 6: Final answer
    x = 21,827.90

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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.