Home / 26,285.45-39,402.66-10,485.89

Finding the Fourth Proportional to 26,285.45, 39,402.66 and 10,485.89

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Solution

The fourth proportional to 26,285.45, 39,402.66 and 10,485.89 is: 15,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285.45 : 39,402.66 = 10,485.89 : x
  2. Step 2: Convert to fraction form
    26,285.45/39,402.66 = 10,485.89/x
  3. Step 3: Cross multiply
    26,285.45x = 39,402.66 × 10,485.89
  4. Step 4: Simplify right side
    26,285.45x = 413,171,958.47
  5. Step 5: Solve for x
    x = 413,171,958.47/26,285.45
  6. Step 6: Final answer
    x = 15,718.66

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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.