Home / 26,766.70-40,123.31-17,889.50

Finding the Fourth Proportional to 26,766.70, 40,123.31 and 17,889.50

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Solution

The fourth proportional to 26,766.70, 40,123.31 and 17,889.50 is: 26,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,766.70 : 40,123.31 = 17,889.50 : x
  2. Step 2: Convert to fraction form
    26,766.70/40,123.31 = 17,889.50/x
  3. Step 3: Cross multiply
    26,766.70x = 40,123.31 × 17,889.50
  4. Step 4: Simplify right side
    26,766.70x = 717,785,965.11
  5. Step 5: Solve for x
    x = 717,785,965.11/26,766.70
  6. Step 6: Final answer
    x = 26,816.38

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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.