Home / 27,010.08-40,445.82-18,678.60

Finding the Fourth Proportional to 27,010.08, 40,445.82 and 18,678.60

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Solution

The fourth proportional to 27,010.08, 40,445.82 and 18,678.60 is: 27,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.08 : 40,445.82 = 18,678.60 : x
  2. Step 2: Convert to fraction form
    27,010.08/40,445.82 = 18,678.60/x
  3. Step 3: Cross multiply
    27,010.08x = 40,445.82 × 18,678.60
  4. Step 4: Simplify right side
    27,010.08x = 755,471,293.45
  5. Step 5: Solve for x
    x = 755,471,293.45/27,010.08
  6. Step 6: Final answer
    x = 27,969.98

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1.5x scale

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.