Home / 29,341.36-40,490.96-15,912.56

Finding the Fourth Proportional to 29,341.36, 40,490.96 and 15,912.56

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Solution

The fourth proportional to 29,341.36, 40,490.96 and 15,912.56 is: 21,959.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341.36 : 40,490.96 = 15,912.56 : x
  2. Step 2: Convert to fraction form
    29,341.36/40,490.96 = 15,912.56/x
  3. Step 3: Cross multiply
    29,341.36x = 40,490.96 × 15,912.56
  4. Step 4: Simplify right side
    29,341.36x = 644,314,830.46
  5. Step 5: Solve for x
    x = 644,314,830.46/29,341.36
  6. Step 6: Final answer
    x = 21,959.27

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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.