Home / 26,988.72-40,483.32-9,458.52

Finding the Fourth Proportional to 26,988.72, 40,483.32 and 9,458.52

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Solution

The fourth proportional to 26,988.72, 40,483.32 and 9,458.52 is: 14,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.72 : 40,483.32 = 9,458.52 : x
  2. Step 2: Convert to fraction form
    26,988.72/40,483.32 = 9,458.52/x
  3. Step 3: Cross multiply
    26,988.72x = 40,483.32 × 9,458.52
  4. Step 4: Simplify right side
    26,988.72x = 382,912,291.89
  5. Step 5: Solve for x
    x = 382,912,291.89/26,988.72
  6. Step 6: Final answer
    x = 14,187.86

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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.