Home / 19,810.94-29,541.79-19,633.28

Finding the Fourth Proportional to 19,810.94, 29,541.79 and 19,633.28

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Solution

The fourth proportional to 19,810.94, 29,541.79 and 19,633.28 is: 29,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.94 : 29,541.79 = 19,633.28 : x
  2. Step 2: Convert to fraction form
    19,810.94/29,541.79 = 19,633.28/x
  3. Step 3: Cross multiply
    19,810.94x = 29,541.79 × 19,633.28
  4. Step 4: Simplify right side
    19,810.94x = 580,002,111.60
  5. Step 5: Solve for x
    x = 580,002,111.60/19,810.94
  6. Step 6: Final answer
    x = 29,276.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.