Home / 28,305.24-42,457.14-13,524.60

Finding the Fourth Proportional to 28,305.24, 42,457.14 and 13,524.60

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Solution

The fourth proportional to 28,305.24, 42,457.14 and 13,524.60 is: 20,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,305.24 : 42,457.14 = 13,524.60 : x
  2. Step 2: Convert to fraction form
    28,305.24/42,457.14 = 13,524.60/x
  3. Step 3: Cross multiply
    28,305.24x = 42,457.14 × 13,524.60
  4. Step 4: Simplify right side
    28,305.24x = 574,215,835.64
  5. Step 5: Solve for x
    x = 574,215,835.64/28,305.24
  6. Step 6: Final answer
    x = 20,286.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.