Home / 28,887.36-43,322.43-12,247.12

Finding the Fourth Proportional to 28,887.36, 43,322.43 and 12,247.12

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Solution

The fourth proportional to 28,887.36, 43,322.43 and 12,247.12 is: 18,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.36 : 43,322.43 = 12,247.12 : x
  2. Step 2: Convert to fraction form
    28,887.36/43,322.43 = 12,247.12/x
  3. Step 3: Cross multiply
    28,887.36x = 43,322.43 × 12,247.12
  4. Step 4: Simplify right side
    28,887.36x = 530,574,998.90
  5. Step 5: Solve for x
    x = 530,574,998.90/28,887.36
  6. Step 6: Final answer
    x = 18,367.03

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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.