Home / 28,543.49-42,814.21-7,483.37

Finding the Fourth Proportional to 28,543.49, 42,814.21 and 7,483.37

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Solution

The fourth proportional to 28,543.49, 42,814.21 and 7,483.37 is: 11,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.49 : 42,814.21 = 7,483.37 : x
  2. Step 2: Convert to fraction form
    28,543.49/42,814.21 = 7,483.37/x
  3. Step 3: Cross multiply
    28,543.49x = 42,814.21 × 7,483.37
  4. Step 4: Simplify right side
    28,543.49x = 320,394,341.91
  5. Step 5: Solve for x
    x = 320,394,341.91/28,543.49
  6. Step 6: Final answer
    x = 11,224.78

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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.