Home / 28,930.56-43,384.74-13,935.06

Finding the Fourth Proportional to 28,930.56, 43,384.74 and 13,935.06

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Solution

The fourth proportional to 28,930.56, 43,384.74 and 13,935.06 is: 20,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,930.56 : 43,384.74 = 13,935.06 : x
  2. Step 2: Convert to fraction form
    28,930.56/43,384.74 = 13,935.06/x
  3. Step 3: Cross multiply
    28,930.56x = 43,384.74 × 13,935.06
  4. Step 4: Simplify right side
    28,930.56x = 604,568,954.98
  5. Step 5: Solve for x
    x = 604,568,954.98/28,930.56
  6. Step 6: Final answer
    x = 20,897.24

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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.