Home / 43,216.90-64,799.42-16,890.28

Finding the Fourth Proportional to 43,216.90, 64,799.42 and 16,890.28

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Solution

The fourth proportional to 43,216.90, 64,799.42 and 16,890.28 is: 25,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.90 : 64,799.42 = 16,890.28 : x
  2. Step 2: Convert to fraction form
    43,216.90/64,799.42 = 16,890.28/x
  3. Step 3: Cross multiply
    43,216.90x = 64,799.42 × 16,890.28
  4. Step 4: Simplify right side
    43,216.90x = 1,094,480,347.64
  5. Step 5: Solve for x
    x = 1,094,480,347.64/43,216.90
  6. Step 6: Final answer
    x = 25,325.29

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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.