Home / 29,274.34-40,398.24-15,845.28

Finding the Fourth Proportional to 29,274.34, 40,398.24 and 15,845.28

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Solution

The fourth proportional to 29,274.34, 40,398.24 and 15,845.28 is: 21,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.34 : 40,398.24 = 15,845.28 : x
  2. Step 2: Convert to fraction form
    29,274.34/40,398.24 = 15,845.28/x
  3. Step 3: Cross multiply
    29,274.34x = 40,398.24 × 15,845.28
  4. Step 4: Simplify right side
    29,274.34x = 640,121,424.31
  5. Step 5: Solve for x
    x = 640,121,424.31/29,274.34
  6. Step 6: Final answer
    x = 21,866.30

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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.