Home / 28,043.76-42,091.56-14,202.48

Finding the Fourth Proportional to 28,043.76, 42,091.56 and 14,202.48

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Solution

The fourth proportional to 28,043.76, 42,091.56 and 14,202.48 is: 21,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.76 : 42,091.56 = 14,202.48 : x
  2. Step 2: Convert to fraction form
    28,043.76/42,091.56 = 14,202.48/x
  3. Step 3: Cross multiply
    28,043.76x = 42,091.56 × 14,202.48
  4. Step 4: Simplify right side
    28,043.76x = 597,804,539.07
  5. Step 5: Solve for x
    x = 597,804,539.07/28,043.76
  6. Step 6: Final answer
    x = 21,316.85

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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.