Home / 28,403.26-39,196.64-16,473.65

Finding the Fourth Proportional to 28,403.26, 39,196.64 and 16,473.65

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Solution

The fourth proportional to 28,403.26, 39,196.64 and 16,473.65 is: 22,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.26 : 39,196.64 = 16,473.65 : x
  2. Step 2: Convert to fraction form
    28,403.26/39,196.64 = 16,473.65/x
  3. Step 3: Cross multiply
    28,403.26x = 39,196.64 × 16,473.65
  4. Step 4: Simplify right side
    28,403.26x = 645,711,573.74
  5. Step 5: Solve for x
    x = 645,711,573.74/28,403.26
  6. Step 6: Final answer
    x = 22,733.72

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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.