Home / 28,850.56-39,834.86-18,647.63

Finding the Fourth Proportional to 28,850.56, 39,834.86 and 18,647.63

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Solution

The fourth proportional to 28,850.56, 39,834.86 and 18,647.63 is: 25,747.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.56 : 39,834.86 = 18,647.63 : x
  2. Step 2: Convert to fraction form
    28,850.56/39,834.86 = 18,647.63/x
  3. Step 3: Cross multiply
    28,850.56x = 39,834.86 × 18,647.63
  4. Step 4: Simplify right side
    28,850.56x = 742,825,642.45
  5. Step 5: Solve for x
    x = 742,825,642.45/28,850.56
  6. Step 6: Final answer
    x = 25,747.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.