Home / 28,021.73-42,003.43-10,483.97

Finding the Fourth Proportional to 28,021.73, 42,003.43 and 10,483.97

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Solution

The fourth proportional to 28,021.73, 42,003.43 and 10,483.97 is: 15,715.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,021.73 : 42,003.43 = 10,483.97 : x
  2. Step 2: Convert to fraction form
    28,021.73/42,003.43 = 10,483.97/x
  3. Step 3: Cross multiply
    28,021.73x = 42,003.43 × 10,483.97
  4. Step 4: Simplify right side
    28,021.73x = 440,362,700.02
  5. Step 5: Solve for x
    x = 440,362,700.02/28,021.73
  6. Step 6: Final answer
    x = 15,715.04

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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.