Home / 28,897.72-43,352.64-16,423.52

Finding the Fourth Proportional to 28,897.72, 43,352.64 and 16,423.52

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Solution

The fourth proportional to 28,897.72, 43,352.64 and 16,423.52 is: 24,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.72 : 43,352.64 = 16,423.52 : x
  2. Step 2: Convert to fraction form
    28,897.72/43,352.64 = 16,423.52/x
  3. Step 3: Cross multiply
    28,897.72x = 43,352.64 × 16,423.52
  4. Step 4: Simplify right side
    28,897.72x = 712,002,950.09
  5. Step 5: Solve for x
    x = 712,002,950.09/28,897.72
  6. Step 6: Final answer
    x = 24,638.72

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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.