Home / 28,008.13-42,003.49-9,283.97

Finding the Fourth Proportional to 28,008.13, 42,003.49 and 9,283.97

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Solution

The fourth proportional to 28,008.13, 42,003.49 and 9,283.97 is: 13,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.13 : 42,003.49 = 9,283.97 : x
  2. Step 2: Convert to fraction form
    28,008.13/42,003.49 = 9,283.97/x
  3. Step 3: Cross multiply
    28,008.13x = 42,003.49 × 9,283.97
  4. Step 4: Simplify right side
    28,008.13x = 389,959,141.06
  5. Step 5: Solve for x
    x = 389,959,141.06/28,008.13
  6. Step 6: Final answer
    x = 13,923.07

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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.