Home / 29,369.28-40,528.46-15,940.06

Finding the Fourth Proportional to 29,369.28, 40,528.46 and 15,940.06

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Solution

The fourth proportional to 29,369.28, 40,528.46 and 15,940.06 is: 21,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.28 : 40,528.46 = 15,940.06 : x
  2. Step 2: Convert to fraction form
    29,369.28/40,528.46 = 15,940.06/x
  3. Step 3: Cross multiply
    29,369.28x = 40,528.46 × 15,940.06
  4. Step 4: Simplify right side
    29,369.28x = 646,026,084.11
  5. Step 5: Solve for x
    x = 646,026,084.11/29,369.28
  6. Step 6: Final answer
    x = 21,996.66

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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.