Home / 29,369.62-40,528.99-15,940.58

Finding the Fourth Proportional to 29,369.62, 40,528.99 and 15,940.58

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Solution

The fourth proportional to 29,369.62, 40,528.99 and 15,940.58 is: 21,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.62 : 40,528.99 = 15,940.58 : x
  2. Step 2: Convert to fraction form
    29,369.62/40,528.99 = 15,940.58/x
  3. Step 3: Cross multiply
    29,369.62x = 40,528.99 × 15,940.58
  4. Step 4: Simplify right side
    29,369.62x = 646,055,527.71
  5. Step 5: Solve for x
    x = 646,055,527.71/29,369.62
  6. Step 6: Final answer
    x = 21,997.41

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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.