Home / 29,288-40,424.73-16,720.04

Finding the Fourth Proportional to 29,288, 40,424.73 and 16,720.04

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Solution

The fourth proportional to 29,288, 40,424.73 and 16,720.04 is: 23,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,288 : 40,424.73 = 16,720.04 : x
  2. Step 2: Convert to fraction form
    29,288/40,424.73 = 16,720.04/x
  3. Step 3: Cross multiply
    29,288x = 40,424.73 × 16,720.04
  4. Step 4: Simplify right side
    29,288x = 675,903,102.59
  5. Step 5: Solve for x
    x = 675,903,102.59/29,288
  6. Step 6: Final answer
    x = 23,077.82

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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.