Home / 28,945.10-43,462.20-15,823.10

Finding the Fourth Proportional to 28,945.10, 43,462.20 and 15,823.10

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Solution

The fourth proportional to 28,945.10, 43,462.20 and 15,823.10 is: 23,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.10 : 43,462.20 = 15,823.10 : x
  2. Step 2: Convert to fraction form
    28,945.10/43,462.20 = 15,823.10/x
  3. Step 3: Cross multiply
    28,945.10x = 43,462.20 × 15,823.10
  4. Step 4: Simplify right side
    28,945.10x = 687,706,736.82
  5. Step 5: Solve for x
    x = 687,706,736.82/28,945.10
  6. Step 6: Final answer
    x = 23,759.00

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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.