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Finding the Fourth Proportional to 26,398.00, 39,590.04 and 9,762.79

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Solution

The fourth proportional to 26,398.00, 39,590.04 and 9,762.79 is: 14,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.00 : 39,590.04 = 9,762.79 : x
  2. Step 2: Convert to fraction form
    26,398.00/39,590.04 = 9,762.79/x
  3. Step 3: Cross multiply
    26,398.00x = 39,590.04 × 9,762.79
  4. Step 4: Simplify right side
    26,398.00x = 386,509,246.61
  5. Step 5: Solve for x
    x = 386,509,246.61/26,398.00
  6. Step 6: Final answer
    x = 14,641.61

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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.