Home / 28,500.66-39,344.13-16,559.64

Finding the Fourth Proportional to 28,500.66, 39,344.13 and 16,559.64

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Solution

The fourth proportional to 28,500.66, 39,344.13 and 16,559.64 is: 22,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.66 : 39,344.13 = 16,559.64 : x
  2. Step 2: Convert to fraction form
    28,500.66/39,344.13 = 16,559.64/x
  3. Step 3: Cross multiply
    28,500.66x = 39,344.13 × 16,559.64
  4. Step 4: Simplify right side
    28,500.66x = 651,524,628.91
  5. Step 5: Solve for x
    x = 651,524,628.91/28,500.66
  6. Step 6: Final answer
    x = 22,859.98

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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.