Home / 28,985.56-43,395.60-19,094.56

Finding the Fourth Proportional to 28,985.56, 43,395.60 and 19,094.56

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Solution

The fourth proportional to 28,985.56, 43,395.60 and 19,094.56 is: 28,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.56 : 43,395.60 = 19,094.56 : x
  2. Step 2: Convert to fraction form
    28,985.56/43,395.60 = 19,094.56/x
  3. Step 3: Cross multiply
    28,985.56x = 43,395.60 × 19,094.56
  4. Step 4: Simplify right side
    28,985.56x = 828,619,887.94
  5. Step 5: Solve for x
    x = 828,619,887.94/28,985.56
  6. Step 6: Final answer
    x = 28,587.33

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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.