Home / 28,732.56-39,652.44-16,158.12

Finding the Fourth Proportional to 28,732.56, 39,652.44 and 16,158.12

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Solution

The fourth proportional to 28,732.56, 39,652.44 and 16,158.12 is: 22,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.56 : 39,652.44 = 16,158.12 : x
  2. Step 2: Convert to fraction form
    28,732.56/39,652.44 = 16,158.12/x
  3. Step 3: Cross multiply
    28,732.56x = 39,652.44 × 16,158.12
  4. Step 4: Simplify right side
    28,732.56x = 640,708,883.81
  5. Step 5: Solve for x
    x = 640,708,883.81/28,732.56
  6. Step 6: Final answer
    x = 22,299.05

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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.