Home / 29,140.28-43,699.69-10,415.25

Finding the Fourth Proportional to 29,140.28, 43,699.69 and 10,415.25

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Solution

The fourth proportional to 29,140.28, 43,699.69 and 10,415.25 is: 15,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.28 : 43,699.69 = 10,415.25 : x
  2. Step 2: Convert to fraction form
    29,140.28/43,699.69 = 10,415.25/x
  3. Step 3: Cross multiply
    29,140.28x = 43,699.69 × 10,415.25
  4. Step 4: Simplify right side
    29,140.28x = 455,143,196.27
  5. Step 5: Solve for x
    x = 455,143,196.27/29,140.28
  6. Step 6: Final answer
    x = 15,619.04

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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.