Home / 28,475.41-39,296.48-16,538.75

Finding the Fourth Proportional to 28,475.41, 39,296.48 and 16,538.75

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Solution

The fourth proportional to 28,475.41, 39,296.48 and 16,538.75 is: 22,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.41 : 39,296.48 = 16,538.75 : x
  2. Step 2: Convert to fraction form
    28,475.41/39,296.48 = 16,538.75/x
  3. Step 3: Cross multiply
    28,475.41x = 39,296.48 × 16,538.75
  4. Step 4: Simplify right side
    28,475.41x = 649,914,560.36
  5. Step 5: Solve for x
    x = 649,914,560.36/28,475.41
  6. Step 6: Final answer
    x = 22,823.71

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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.