Home / 26,443.49-39,665.36-8,913.47

Finding the Fourth Proportional to 26,443.49, 39,665.36 and 8,913.47

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Solution

The fourth proportional to 26,443.49, 39,665.36 and 8,913.47 is: 13,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.49 : 39,665.36 = 8,913.47 : x
  2. Step 2: Convert to fraction form
    26,443.49/39,665.36 = 8,913.47/x
  3. Step 3: Cross multiply
    26,443.49x = 39,665.36 × 8,913.47
  4. Step 4: Simplify right side
    26,443.49x = 353,555,753.51
  5. Step 5: Solve for x
    x = 353,555,753.51/26,443.49
  6. Step 6: Final answer
    x = 13,370.24

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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.