Home / 28,504.44-42,733.62-11,877

Finding the Fourth Proportional to 28,504.44, 42,733.62 and 11,877

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Solution

The fourth proportional to 28,504.44, 42,733.62 and 11,877 is: 17,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.44 : 42,733.62 = 11,877 : x
  2. Step 2: Convert to fraction form
    28,504.44/42,733.62 = 11,877/x
  3. Step 3: Cross multiply
    28,504.44x = 42,733.62 × 11,877
  4. Step 4: Simplify right side
    28,504.44x = 507,547,204.74
  5. Step 5: Solve for x
    x = 507,547,204.74/28,504.44
  6. Step 6: Final answer
    x = 17,805.90

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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.