Home / 43,228.08-64,810.26-16,919.28

Finding the Fourth Proportional to 43,228.08, 64,810.26 and 16,919.28

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Solution

The fourth proportional to 43,228.08, 64,810.26 and 16,919.28 is: 25,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.08 : 64,810.26 = 16,919.28 : x
  2. Step 2: Convert to fraction form
    43,228.08/64,810.26 = 16,919.28/x
  3. Step 3: Cross multiply
    43,228.08x = 64,810.26 × 16,919.28
  4. Step 4: Simplify right side
    43,228.08x = 1,096,542,935.81
  5. Step 5: Solve for x
    x = 1,096,542,935.81/43,228.08
  6. Step 6: Final answer
    x = 25,366.45

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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.