Home / 29,274.77-40,398.93-15,845.90

Finding the Fourth Proportional to 29,274.77, 40,398.93 and 15,845.90

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Solution

The fourth proportional to 29,274.77, 40,398.93 and 15,845.90 is: 21,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.77 : 40,398.93 = 15,845.90 : x
  2. Step 2: Convert to fraction form
    29,274.77/40,398.93 = 15,845.90/x
  3. Step 3: Cross multiply
    29,274.77x = 40,398.93 × 15,845.90
  4. Step 4: Simplify right side
    29,274.77x = 640,157,404.89
  5. Step 5: Solve for x
    x = 640,157,404.89/29,274.77
  6. Step 6: Final answer
    x = 21,867.21

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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.