Home / 27,181.02-37,511.07-16,978.09

Finding the Fourth Proportional to 27,181.02, 37,511.07 and 16,978.09

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Solution

The fourth proportional to 27,181.02, 37,511.07 and 16,978.09 is: 23,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,181.02 : 37,511.07 = 16,978.09 : x
  2. Step 2: Convert to fraction form
    27,181.02/37,511.07 = 16,978.09/x
  3. Step 3: Cross multiply
    27,181.02x = 37,511.07 × 16,978.09
  4. Step 4: Simplify right side
    27,181.02x = 636,866,334.98
  5. Step 5: Solve for x
    x = 636,866,334.98/27,181.02
  6. Step 6: Final answer
    x = 23,430.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.