Home / 28,927.75-43,375.02-11,388.01

Finding the Fourth Proportional to 28,927.75, 43,375.02 and 11,388.01

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Solution

The fourth proportional to 28,927.75, 43,375.02 and 11,388.01 is: 17,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.75 : 43,375.02 = 11,388.01 : x
  2. Step 2: Convert to fraction form
    28,927.75/43,375.02 = 11,388.01/x
  3. Step 3: Cross multiply
    28,927.75x = 43,375.02 × 11,388.01
  4. Step 4: Simplify right side
    28,927.75x = 493,955,161.51
  5. Step 5: Solve for x
    x = 493,955,161.51/28,927.75
  6. Step 6: Final answer
    x = 17,075.48

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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.