Home / 28,434.08-42,636.80-16,591.88

Finding the Fourth Proportional to 28,434.08, 42,636.80 and 16,591.88

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Solution

The fourth proportional to 28,434.08, 42,636.80 and 16,591.88 is: 24,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,434.08 : 42,636.80 = 16,591.88 : x
  2. Step 2: Convert to fraction form
    28,434.08/42,636.80 = 16,591.88/x
  3. Step 3: Cross multiply
    28,434.08x = 42,636.80 × 16,591.88
  4. Step 4: Simplify right side
    28,434.08x = 707,424,669.18
  5. Step 5: Solve for x
    x = 707,424,669.18/28,434.08
  6. Step 6: Final answer
    x = 24,879.46

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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.