Home / 29,709.68-40,998.84-16,281.20

Finding the Fourth Proportional to 29,709.68, 40,998.84 and 16,281.20

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Solution

The fourth proportional to 29,709.68, 40,998.84 and 16,281.20 is: 22,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.68 : 40,998.84 = 16,281.20 : x
  2. Step 2: Convert to fraction form
    29,709.68/40,998.84 = 16,281.20/x
  3. Step 3: Cross multiply
    29,709.68x = 40,998.84 × 16,281.20
  4. Step 4: Simplify right side
    29,709.68x = 667,510,313.81
  5. Step 5: Solve for x
    x = 667,510,313.81/29,709.68
  6. Step 6: Final answer
    x = 22,467.77

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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.