Home / 26,307.99-39,409.94-13,809.29

Finding the Fourth Proportional to 26,307.99, 39,409.94 and 13,809.29

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Solution

The fourth proportional to 26,307.99, 39,409.94 and 13,809.29 is: 20,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,307.99 : 39,409.94 = 13,809.29 : x
  2. Step 2: Convert to fraction form
    26,307.99/39,409.94 = 13,809.29/x
  3. Step 3: Cross multiply
    26,307.99x = 39,409.94 × 13,809.29
  4. Step 4: Simplify right side
    26,307.99x = 544,223,127.82
  5. Step 5: Solve for x
    x = 544,223,127.82/26,307.99
  6. Step 6: Final answer
    x = 20,686.61

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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.