Home / 28,936.24-43,406.52-12,294.40

Finding the Fourth Proportional to 28,936.24, 43,406.52 and 12,294.40

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Solution

The fourth proportional to 28,936.24, 43,406.52 and 12,294.40 is: 18,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,936.24 : 43,406.52 = 12,294.40 : x
  2. Step 2: Convert to fraction form
    28,936.24/43,406.52 = 12,294.40/x
  3. Step 3: Cross multiply
    28,936.24x = 43,406.52 × 12,294.40
  4. Step 4: Simplify right side
    28,936.24x = 533,657,119.49
  5. Step 5: Solve for x
    x = 533,657,119.49/28,936.24
  6. Step 6: Final answer
    x = 18,442.52

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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.