Home / 28,589.63-39,453.68-16,014.65

Finding the Fourth Proportional to 28,589.63, 39,453.68 and 16,014.65

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Solution

The fourth proportional to 28,589.63, 39,453.68 and 16,014.65 is: 22,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.63 : 39,453.68 = 16,014.65 : x
  2. Step 2: Convert to fraction form
    28,589.63/39,453.68 = 16,014.65/x
  3. Step 3: Cross multiply
    28,589.63x = 39,453.68 × 16,014.65
  4. Step 4: Simplify right side
    28,589.63x = 631,836,719.18
  5. Step 5: Solve for x
    x = 631,836,719.18/28,589.63
  6. Step 6: Final answer
    x = 22,100.21

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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.