Home / 26,947.19-40,393.16-12,166.49

Finding the Fourth Proportional to 26,947.19, 40,393.16 and 12,166.49

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Solution

The fourth proportional to 26,947.19, 40,393.16 and 12,166.49 is: 18,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.19 : 40,393.16 = 12,166.49 : x
  2. Step 2: Convert to fraction form
    26,947.19/40,393.16 = 12,166.49/x
  3. Step 3: Cross multiply
    26,947.19x = 40,393.16 × 12,166.49
  4. Step 4: Simplify right side
    26,947.19x = 491,442,916.38
  5. Step 5: Solve for x
    x = 491,442,916.38/26,947.19
  6. Step 6: Final answer
    x = 18,237.26

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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.