Home / 28,904.75-43,356.51-13,322.37

Finding the Fourth Proportional to 28,904.75, 43,356.51 and 13,322.37

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Solution

The fourth proportional to 28,904.75, 43,356.51 and 13,322.37 is: 19,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.75 : 43,356.51 = 13,322.37 : x
  2. Step 2: Convert to fraction form
    28,904.75/43,356.51 = 13,322.37/x
  3. Step 3: Cross multiply
    28,904.75x = 43,356.51 × 13,322.37
  4. Step 4: Simplify right side
    28,904.75x = 577,611,468.13
  5. Step 5: Solve for x
    x = 577,611,468.13/28,904.75
  6. Step 6: Final answer
    x = 19,983.27

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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.