Home / 26,947.56-37,174.76-20,938.12

Finding the Fourth Proportional to 26,947.56, 37,174.76 and 20,938.12

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Solution

The fourth proportional to 26,947.56, 37,174.76 and 20,938.12 is: 28,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.56 : 37,174.76 = 20,938.12 : x
  2. Step 2: Convert to fraction form
    26,947.56/37,174.76 = 20,938.12/x
  3. Step 3: Cross multiply
    26,947.56x = 37,174.76 × 20,938.12
  4. Step 4: Simplify right side
    26,947.56x = 778,369,585.85
  5. Step 5: Solve for x
    x = 778,369,585.85/26,947.56
  6. Step 6: Final answer
    x = 28,884.60

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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.