Home / 28,329.07-39,097.33-16,230.71

Finding the Fourth Proportional to 28,329.07, 39,097.33 and 16,230.71

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Solution

The fourth proportional to 28,329.07, 39,097.33 and 16,230.71 is: 22,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.07 : 39,097.33 = 16,230.71 : x
  2. Step 2: Convert to fraction form
    28,329.07/39,097.33 = 16,230.71/x
  3. Step 3: Cross multiply
    28,329.07x = 39,097.33 × 16,230.71
  4. Step 4: Simplify right side
    28,329.07x = 634,577,188.94
  5. Step 5: Solve for x
    x = 634,577,188.94/28,329.07
  6. Step 6: Final answer
    x = 22,400.21

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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.