Home / 29,709.32-40,998.96-16,280.72

Finding the Fourth Proportional to 29,709.32, 40,998.96 and 16,280.72

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Solution

The fourth proportional to 29,709.32, 40,998.96 and 16,280.72 is: 22,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.32 : 40,998.96 = 16,280.72 : x
  2. Step 2: Convert to fraction form
    29,709.32/40,998.96 = 16,280.72/x
  3. Step 3: Cross multiply
    29,709.32x = 40,998.96 × 16,280.72
  4. Step 4: Simplify right side
    29,709.32x = 667,492,588.05
  5. Step 5: Solve for x
    x = 667,492,588.05/29,709.32
  6. Step 6: Final answer
    x = 22,467.45

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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.