Home / 29,644.20-40,909.93-16,215.82

Finding the Fourth Proportional to 29,644.20, 40,909.93 and 16,215.82

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Solution

The fourth proportional to 29,644.20, 40,909.93 and 16,215.82 is: 22,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,644.20 : 40,909.93 = 16,215.82 : x
  2. Step 2: Convert to fraction form
    29,644.20/40,909.93 = 16,215.82/x
  3. Step 3: Cross multiply
    29,644.20x = 40,909.93 × 16,215.82
  4. Step 4: Simplify right side
    29,644.20x = 663,387,918.28
  5. Step 5: Solve for x
    x = 663,387,918.28/29,644.20
  6. Step 6: Final answer
    x = 22,378.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.