Home / 29,369.49-40,528.81-15,940.46

Finding the Fourth Proportional to 29,369.49, 40,528.81 and 15,940.46

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Solution

The fourth proportional to 29,369.49, 40,528.81 and 15,940.46 is: 21,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.49 : 40,528.81 = 15,940.46 : x
  2. Step 2: Convert to fraction form
    29,369.49/40,528.81 = 15,940.46/x
  3. Step 3: Cross multiply
    29,369.49x = 40,528.81 × 15,940.46
  4. Step 4: Simplify right side
    29,369.49x = 646,047,647.10
  5. Step 5: Solve for x
    x = 646,047,647.10/29,369.49
  6. Step 6: Final answer
    x = 21,997.24

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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.