Home / 26,979.90-37,147.54-22,938.78

Finding the Fourth Proportional to 26,979.90, 37,147.54 and 22,938.78

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Solution

The fourth proportional to 26,979.90, 37,147.54 and 22,938.78 is: 31,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.90 : 37,147.54 = 22,938.78 : x
  2. Step 2: Convert to fraction form
    26,979.90/37,147.54 = 22,938.78/x
  3. Step 3: Cross multiply
    26,979.90x = 37,147.54 × 22,938.78
  4. Step 4: Simplify right side
    26,979.90x = 852,119,247.60
  5. Step 5: Solve for x
    x = 852,119,247.60/26,979.90
  6. Step 6: Final answer
    x = 31,583.48

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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.