Home / 28,854.83-43,168.37-21,855.01

Finding the Fourth Proportional to 28,854.83, 43,168.37 and 21,855.01

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Solution

The fourth proportional to 28,854.83, 43,168.37 and 21,855.01 is: 32,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854.83 : 43,168.37 = 21,855.01 : x
  2. Step 2: Convert to fraction form
    28,854.83/43,168.37 = 21,855.01/x
  3. Step 3: Cross multiply
    28,854.83x = 43,168.37 × 21,855.01
  4. Step 4: Simplify right side
    28,854.83x = 943,445,158.03
  5. Step 5: Solve for x
    x = 943,445,158.03/28,854.83
  6. Step 6: Final answer
    x = 32,696.26

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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.