Home / 26,969.88-40,405.54-19,555.95

Finding the Fourth Proportional to 26,969.88, 40,405.54 and 19,555.95

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Solution

The fourth proportional to 26,969.88, 40,405.54 and 19,555.95 is: 29,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,969.88 : 40,405.54 = 19,555.95 : x
  2. Step 2: Convert to fraction form
    26,969.88/40,405.54 = 19,555.95/x
  3. Step 3: Cross multiply
    26,969.88x = 40,405.54 × 19,555.95
  4. Step 4: Simplify right side
    26,969.88x = 790,168,719.96
  5. Step 5: Solve for x
    x = 790,168,719.96/26,969.88
  6. Step 6: Final answer
    x = 29,298.19

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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.