Home / 29,246.19-40,359.83-15,817.55

Finding the Fourth Proportional to 29,246.19, 40,359.83 and 15,817.55

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Solution

The fourth proportional to 29,246.19, 40,359.83 and 15,817.55 is: 21,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.19 : 40,359.83 = 15,817.55 : x
  2. Step 2: Convert to fraction form
    29,246.19/40,359.83 = 15,817.55/x
  3. Step 3: Cross multiply
    29,246.19x = 40,359.83 × 15,817.55
  4. Step 4: Simplify right side
    29,246.19x = 638,393,348.13
  5. Step 5: Solve for x
    x = 638,393,348.13/29,246.19
  6. Step 6: Final answer
    x = 21,828.26

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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.