Home / 26,387.88-39,582.09-6,666.47

Finding the Fourth Proportional to 26,387.88, 39,582.09 and 6,666.47

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Solution

The fourth proportional to 26,387.88, 39,582.09 and 6,666.47 is: 9,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.88 : 39,582.09 = 6,666.47 : x
  2. Step 2: Convert to fraction form
    26,387.88/39,582.09 = 6,666.47/x
  3. Step 3: Cross multiply
    26,387.88x = 39,582.09 × 6,666.47
  4. Step 4: Simplify right side
    26,387.88x = 263,872,617.61
  5. Step 5: Solve for x
    x = 263,872,617.61/26,387.88
  6. Step 6: Final answer
    x = 9,999.77

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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.