Home / 28,369.99-42,535.27-12,566.41

Finding the Fourth Proportional to 28,369.99, 42,535.27 and 12,566.41

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Solution

The fourth proportional to 28,369.99, 42,535.27 and 12,566.41 is: 18,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,369.99 : 42,535.27 = 12,566.41 : x
  2. Step 2: Convert to fraction form
    28,369.99/42,535.27 = 12,566.41/x
  3. Step 3: Cross multiply
    28,369.99x = 42,535.27 × 12,566.41
  4. Step 4: Simplify right side
    28,369.99x = 534,515,642.28
  5. Step 5: Solve for x
    x = 534,515,642.28/28,369.99
  6. Step 6: Final answer
    x = 18,840.88

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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.