Home / 29,341.08-40,490.42-15,912.63

Finding the Fourth Proportional to 29,341.08, 40,490.42 and 15,912.63

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Solution

The fourth proportional to 29,341.08, 40,490.42 and 15,912.63 is: 21,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341.08 : 40,490.42 = 15,912.63 : x
  2. Step 2: Convert to fraction form
    29,341.08/40,490.42 = 15,912.63/x
  3. Step 3: Cross multiply
    29,341.08x = 40,490.42 × 15,912.63
  4. Step 4: Simplify right side
    29,341.08x = 644,308,992.44
  5. Step 5: Solve for x
    x = 644,308,992.44/29,341.08
  6. Step 6: Final answer
    x = 21,959.28

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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.