Home / 29,278.22-40,404.28-16,357.90

Finding the Fourth Proportional to 29,278.22, 40,404.28 and 16,357.90

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Solution

The fourth proportional to 29,278.22, 40,404.28 and 16,357.90 is: 22,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.22 : 40,404.28 = 16,357.90 : x
  2. Step 2: Convert to fraction form
    29,278.22/40,404.28 = 16,357.90/x
  3. Step 3: Cross multiply
    29,278.22x = 40,404.28 × 16,357.90
  4. Step 4: Simplify right side
    29,278.22x = 660,929,171.81
  5. Step 5: Solve for x
    x = 660,929,171.81/29,278.22
  6. Step 6: Final answer
    x = 22,574.09

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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.