Home / 28,589.43-39,454.16-16,014.99

Finding the Fourth Proportional to 28,589.43, 39,454.16 and 16,014.99

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Solution

The fourth proportional to 28,589.43, 39,454.16 and 16,014.99 is: 22,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.43 : 39,454.16 = 16,014.99 : x
  2. Step 2: Convert to fraction form
    28,589.43/39,454.16 = 16,014.99/x
  3. Step 3: Cross multiply
    28,589.43x = 39,454.16 × 16,014.99
  4. Step 4: Simplify right side
    28,589.43x = 631,857,897.78
  5. Step 5: Solve for x
    x = 631,857,897.78/28,589.43
  6. Step 6: Final answer
    x = 22,101.10

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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.