Home / 28,816.88-43,187.65-14,765.00

Finding the Fourth Proportional to 28,816.88, 43,187.65 and 14,765.00

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Solution

The fourth proportional to 28,816.88, 43,187.65 and 14,765.00 is: 22,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816.88 : 43,187.65 = 14,765.00 : x
  2. Step 2: Convert to fraction form
    28,816.88/43,187.65 = 14,765.00/x
  3. Step 3: Cross multiply
    28,816.88x = 43,187.65 × 14,765.00
  4. Step 4: Simplify right side
    28,816.88x = 637,665,399.40
  5. Step 5: Solve for x
    x = 637,665,399.40/28,816.88
  6. Step 6: Final answer
    x = 22,128.19

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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.