Home / 26,485.27-39,721.84-15,814.64

Finding the Fourth Proportional to 26,485.27, 39,721.84 and 15,814.64

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Solution

The fourth proportional to 26,485.27, 39,721.84 and 15,814.64 is: 23,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.27 : 39,721.84 = 15,814.64 : x
  2. Step 2: Convert to fraction form
    26,485.27/39,721.84 = 15,814.64/x
  3. Step 3: Cross multiply
    26,485.27x = 39,721.84 × 15,814.64
  4. Step 4: Simplify right side
    26,485.27x = 628,186,599.74
  5. Step 5: Solve for x
    x = 628,186,599.74/26,485.27
  6. Step 6: Final answer
    x = 23,718.34

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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.