Home / 28,179.09-42,273.45-9,460.94

Finding the Fourth Proportional to 28,179.09, 42,273.45 and 9,460.94

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Solution

The fourth proportional to 28,179.09, 42,273.45 and 9,460.94 is: 14,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,179.09 : 42,273.45 = 9,460.94 : x
  2. Step 2: Convert to fraction form
    28,179.09/42,273.45 = 9,460.94/x
  3. Step 3: Cross multiply
    28,179.09x = 42,273.45 × 9,460.94
  4. Step 4: Simplify right side
    28,179.09x = 399,946,362.68
  5. Step 5: Solve for x
    x = 399,946,362.68/28,179.09
  6. Step 6: Final answer
    x = 14,193.02

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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.