Home / 28,931.28-43,362.74-11,150.97

Finding the Fourth Proportional to 28,931.28, 43,362.74 and 11,150.97

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Solution

The fourth proportional to 28,931.28, 43,362.74 and 11,150.97 is: 16,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931.28 : 43,362.74 = 11,150.97 : x
  2. Step 2: Convert to fraction form
    28,931.28/43,362.74 = 11,150.97/x
  3. Step 3: Cross multiply
    28,931.28x = 43,362.74 × 11,150.97
  4. Step 4: Simplify right side
    28,931.28x = 483,536,478.12
  5. Step 5: Solve for x
    x = 483,536,478.12/28,931.28
  6. Step 6: Final answer
    x = 16,713.28

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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.