Home / 28,992.78-40,004.55-27,516.42

Finding the Fourth Proportional to 28,992.78, 40,004.55 and 27,516.42

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Solution

The fourth proportional to 28,992.78, 40,004.55 and 27,516.42 is: 37,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.78 : 40,004.55 = 27,516.42 : x
  2. Step 2: Convert to fraction form
    28,992.78/40,004.55 = 27,516.42/x
  3. Step 3: Cross multiply
    28,992.78x = 40,004.55 × 27,516.42
  4. Step 4: Simplify right side
    28,992.78x = 1,100,781,999.71
  5. Step 5: Solve for x
    x = 1,100,781,999.71/28,992.78
  6. Step 6: Final answer
    x = 37,967.45

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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.