Home / 28,562.33-42,845.31-8,839.23

Finding the Fourth Proportional to 28,562.33, 42,845.31 and 8,839.23

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Solution

The fourth proportional to 28,562.33, 42,845.31 and 8,839.23 is: 13,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.33 : 42,845.31 = 8,839.23 : x
  2. Step 2: Convert to fraction form
    28,562.33/42,845.31 = 8,839.23/x
  3. Step 3: Cross multiply
    28,562.33x = 42,845.31 × 8,839.23
  4. Step 4: Simplify right side
    28,562.33x = 378,719,549.51
  5. Step 5: Solve for x
    x = 378,719,549.51/28,562.33
  6. Step 6: Final answer
    x = 13,259.41

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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.