Home / 28,245.58-42,351.76-10,716.64

Finding the Fourth Proportional to 28,245.58, 42,351.76 and 10,716.64

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Solution

The fourth proportional to 28,245.58, 42,351.76 and 10,716.64 is: 16,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.58 : 42,351.76 = 10,716.64 : x
  2. Step 2: Convert to fraction form
    28,245.58/42,351.76 = 10,716.64/x
  3. Step 3: Cross multiply
    28,245.58x = 42,351.76 × 10,716.64
  4. Step 4: Simplify right side
    28,245.58x = 453,868,472.80
  5. Step 5: Solve for x
    x = 453,868,472.80/28,245.58
  6. Step 6: Final answer
    x = 16,068.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.