Home / 28,410.21-39,210.68-16,471.22

Finding the Fourth Proportional to 28,410.21, 39,210.68 and 16,471.22

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Solution

The fourth proportional to 28,410.21, 39,210.68 and 16,471.22 is: 22,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.21 : 39,210.68 = 16,471.22 : x
  2. Step 2: Convert to fraction form
    28,410.21/39,210.68 = 16,471.22/x
  3. Step 3: Cross multiply
    28,410.21x = 39,210.68 × 16,471.22
  4. Step 4: Simplify right side
    28,410.21x = 645,847,581.75
  5. Step 5: Solve for x
    x = 645,847,581.75/28,410.21
  6. Step 6: Final answer
    x = 22,732.94

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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.