Home / 28,563.09-42,846.63-8,839.05

Finding the Fourth Proportional to 28,563.09, 42,846.63 and 8,839.05

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Solution

The fourth proportional to 28,563.09, 42,846.63 and 8,839.05 is: 13,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.09 : 42,846.63 = 8,839.05 : x
  2. Step 2: Convert to fraction form
    28,563.09/42,846.63 = 8,839.05/x
  3. Step 3: Cross multiply
    28,563.09x = 42,846.63 × 8,839.05
  4. Step 4: Simplify right side
    28,563.09x = 378,723,504.90
  5. Step 5: Solve for x
    x = 378,723,504.90/28,563.09
  6. Step 6: Final answer
    x = 13,259.19

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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.