Home / 28,444.24-42,666-12,850.96

Finding the Fourth Proportional to 28,444.24, 42,666 and 12,850.96

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Solution

The fourth proportional to 28,444.24, 42,666 and 12,850.96 is: 19,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.24 : 42,666 = 12,850.96 : x
  2. Step 2: Convert to fraction form
    28,444.24/42,666 = 12,850.96/x
  3. Step 3: Cross multiply
    28,444.24x = 42,666 × 12,850.96
  4. Step 4: Simplify right side
    28,444.24x = 548,299,059.36
  5. Step 5: Solve for x
    x = 548,299,059.36/28,444.24
  6. Step 6: Final answer
    x = 19,276.28

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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.