Home / 43,213.90-64,794.93-16,887.28

Finding the Fourth Proportional to 43,213.90, 64,794.93 and 16,887.28

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Solution

The fourth proportional to 43,213.90, 64,794.93 and 16,887.28 is: 25,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.90 : 64,794.93 = 16,887.28 : x
  2. Step 2: Convert to fraction form
    43,213.90/64,794.93 = 16,887.28/x
  3. Step 3: Cross multiply
    43,213.90x = 64,794.93 × 16,887.28
  4. Step 4: Simplify right side
    43,213.90x = 1,094,210,125.49
  5. Step 5: Solve for x
    x = 1,094,210,125.49/43,213.90
  6. Step 6: Final answer
    x = 25,320.79

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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.