Home / 28,395.98-39,184.62-16,458.38

Finding the Fourth Proportional to 28,395.98, 39,184.62 and 16,458.38

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Solution

The fourth proportional to 28,395.98, 39,184.62 and 16,458.38 is: 22,711.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395.98 : 39,184.62 = 16,458.38 : x
  2. Step 2: Convert to fraction form
    28,395.98/39,184.62 = 16,458.38/x
  3. Step 3: Cross multiply
    28,395.98x = 39,184.62 × 16,458.38
  4. Step 4: Simplify right side
    28,395.98x = 644,915,366.12
  5. Step 5: Solve for x
    x = 644,915,366.12/28,395.98
  6. Step 6: Final answer
    x = 22,711.50

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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.