Home / 28,709.80-43,015.49-22,804.90

Finding the Fourth Proportional to 28,709.80, 43,015.49 and 22,804.90

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Solution

The fourth proportional to 28,709.80, 43,015.49 and 22,804.90 is: 34,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.80 : 43,015.49 = 22,804.90 : x
  2. Step 2: Convert to fraction form
    28,709.80/43,015.49 = 22,804.90/x
  3. Step 3: Cross multiply
    28,709.80x = 43,015.49 × 22,804.90
  4. Step 4: Simplify right side
    28,709.80x = 980,963,947.90
  5. Step 5: Solve for x
    x = 980,963,947.90/28,709.80
  6. Step 6: Final answer
    x = 34,168.26

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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.