Home / 28,686.05-43,054.34-15,369.95

Finding the Fourth Proportional to 28,686.05, 43,054.34 and 15,369.95

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Solution

The fourth proportional to 28,686.05, 43,054.34 and 15,369.95 is: 23,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.05 : 43,054.34 = 15,369.95 : x
  2. Step 2: Convert to fraction form
    28,686.05/43,054.34 = 15,369.95/x
  3. Step 3: Cross multiply
    28,686.05x = 43,054.34 × 15,369.95
  4. Step 4: Simplify right side
    28,686.05x = 661,743,083.87
  5. Step 5: Solve for x
    x = 661,743,083.87/28,686.05
  6. Step 6: Final answer
    x = 23,068.46

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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.