Home / 29,155.26-43,696.02-18,621.24

Finding the Fourth Proportional to 29,155.26, 43,696.02 and 18,621.24

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Solution

The fourth proportional to 29,155.26, 43,696.02 and 18,621.24 is: 27,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.26 : 43,696.02 = 18,621.24 : x
  2. Step 2: Convert to fraction form
    29,155.26/43,696.02 = 18,621.24/x
  3. Step 3: Cross multiply
    29,155.26x = 43,696.02 × 18,621.24
  4. Step 4: Simplify right side
    29,155.26x = 813,674,075.46
  5. Step 5: Solve for x
    x = 813,674,075.46/29,155.26
  6. Step 6: Final answer
    x = 27,908.31

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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.