Home / 28,896-43,356.52-10,189.40

Finding the Fourth Proportional to 28,896, 43,356.52 and 10,189.40

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Solution

The fourth proportional to 28,896, 43,356.52 and 10,189.40 is: 15,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896 : 43,356.52 = 10,189.40 : x
  2. Step 2: Convert to fraction form
    28,896/43,356.52 = 10,189.40/x
  3. Step 3: Cross multiply
    28,896x = 43,356.52 × 10,189.40
  4. Step 4: Simplify right side
    28,896x = 441,776,816.50
  5. Step 5: Solve for x
    x = 441,776,816.50/28,896
  6. Step 6: Final answer
    x = 15,288.51

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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.