Home / 29,119.64-43,688.68-10,399.28

Finding the Fourth Proportional to 29,119.64, 43,688.68 and 10,399.28

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Solution

The fourth proportional to 29,119.64, 43,688.68 and 10,399.28 is: 15,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.64 : 43,688.68 = 10,399.28 : x
  2. Step 2: Convert to fraction form
    29,119.64/43,688.68 = 10,399.28/x
  3. Step 3: Cross multiply
    29,119.64x = 43,688.68 × 10,399.28
  4. Step 4: Simplify right side
    29,119.64x = 454,330,816.15
  5. Step 5: Solve for x
    x = 454,330,816.15/29,119.64
  6. Step 6: Final answer
    x = 15,602.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.