Home / 28,589.84-39,455.16-16,014.68

Finding the Fourth Proportional to 28,589.84, 39,455.16 and 16,014.68

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Solution

The fourth proportional to 28,589.84, 39,455.16 and 16,014.68 is: 22,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.84 : 39,455.16 = 16,014.68 : x
  2. Step 2: Convert to fraction form
    28,589.84/39,455.16 = 16,014.68/x
  3. Step 3: Cross multiply
    28,589.84x = 39,455.16 × 16,014.68
  4. Step 4: Simplify right side
    28,589.84x = 631,861,761.75
  5. Step 5: Solve for x
    x = 631,861,761.75/28,589.84
  6. Step 6: Final answer
    x = 22,100.92

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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.