Home / 28,300.76-42,392.80-16,578.44

Finding the Fourth Proportional to 28,300.76, 42,392.80 and 16,578.44

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Solution

The fourth proportional to 28,300.76, 42,392.80 and 16,578.44 is: 24,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.76 : 42,392.80 = 16,578.44 : x
  2. Step 2: Convert to fraction form
    28,300.76/42,392.80 = 16,578.44/x
  3. Step 3: Cross multiply
    28,300.76x = 42,392.80 × 16,578.44
  4. Step 4: Simplify right side
    28,300.76x = 702,806,491.23
  5. Step 5: Solve for x
    x = 702,806,491.23/28,300.76
  6. Step 6: Final answer
    x = 24,833.48

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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.