Home / 28,059.77-42,107.88-14,921.37

Finding the Fourth Proportional to 28,059.77, 42,107.88 and 14,921.37

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Solution

The fourth proportional to 28,059.77, 42,107.88 and 14,921.37 is: 22,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.77 : 42,107.88 = 14,921.37 : x
  2. Step 2: Convert to fraction form
    28,059.77/42,107.88 = 14,921.37/x
  3. Step 3: Cross multiply
    28,059.77x = 42,107.88 × 14,921.37
  4. Step 4: Simplify right side
    28,059.77x = 628,307,257.40
  5. Step 5: Solve for x
    x = 628,307,257.40/28,059.77
  6. Step 6: Final answer
    x = 22,391.75

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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.