Home / 28,896.67-43,344.36-13,314.30

Finding the Fourth Proportional to 28,896.67, 43,344.36 and 13,314.30

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Solution

The fourth proportional to 28,896.67, 43,344.36 and 13,314.30 is: 19,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.67 : 43,344.36 = 13,314.30 : x
  2. Step 2: Convert to fraction form
    28,896.67/43,344.36 = 13,314.30/x
  3. Step 3: Cross multiply
    28,896.67x = 43,344.36 × 13,314.30
  4. Step 4: Simplify right side
    28,896.67x = 577,099,812.35
  5. Step 5: Solve for x
    x = 577,099,812.35/28,896.67
  6. Step 6: Final answer
    x = 19,971.15

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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.