Home / 26,970.18-40,450.41-19,147.20

Finding the Fourth Proportional to 26,970.18, 40,450.41 and 19,147.20

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Solution

The fourth proportional to 26,970.18, 40,450.41 and 19,147.20 is: 28,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.18 : 40,450.41 = 19,147.20 : x
  2. Step 2: Convert to fraction form
    26,970.18/40,450.41 = 19,147.20/x
  3. Step 3: Cross multiply
    26,970.18x = 40,450.41 × 19,147.20
  4. Step 4: Simplify right side
    26,970.18x = 774,512,090.35
  5. Step 5: Solve for x
    x = 774,512,090.35/26,970.18
  6. Step 6: Final answer
    x = 28,717.35

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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.