Home / 28,939.01-43,435.31-17,867.39

Finding the Fourth Proportional to 28,939.01, 43,435.31 and 17,867.39

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Solution

The fourth proportional to 28,939.01, 43,435.31 and 17,867.39 is: 26,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.01 : 43,435.31 = 17,867.39 : x
  2. Step 2: Convert to fraction form
    28,939.01/43,435.31 = 17,867.39/x
  3. Step 3: Cross multiply
    28,939.01x = 43,435.31 × 17,867.39
  4. Step 4: Simplify right side
    28,939.01x = 776,075,317.03
  5. Step 5: Solve for x
    x = 776,075,317.03/28,939.01
  6. Step 6: Final answer
    x = 26,817.62

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1.5x scale

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.