Home / 26,148.96-39,193.20-16,290.72

Finding the Fourth Proportional to 26,148.96, 39,193.20 and 16,290.72

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Solution

The fourth proportional to 26,148.96, 39,193.20 and 16,290.72 is: 24,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.96 : 39,193.20 = 16,290.72 : x
  2. Step 2: Convert to fraction form
    26,148.96/39,193.20 = 16,290.72/x
  3. Step 3: Cross multiply
    26,148.96x = 39,193.20 × 16,290.72
  4. Step 4: Simplify right side
    26,148.96x = 638,485,447.10
  5. Step 5: Solve for x
    x = 638,485,447.10/26,148.96
  6. Step 6: Final answer
    x = 24,417.24

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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.