Home / 26,985.15-40,477.77-7,265.70

Finding the Fourth Proportional to 26,985.15, 40,477.77 and 7,265.70

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Solution

The fourth proportional to 26,985.15, 40,477.77 and 7,265.70 is: 10,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,985.15 : 40,477.77 = 7,265.70 : x
  2. Step 2: Convert to fraction form
    26,985.15/40,477.77 = 7,265.70/x
  3. Step 3: Cross multiply
    26,985.15x = 40,477.77 × 7,265.70
  4. Step 4: Simplify right side
    26,985.15x = 294,099,333.49
  5. Step 5: Solve for x
    x = 294,099,333.49/26,985.15
  6. Step 6: Final answer
    x = 10,898.56

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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.