Home / 22,383.21-30,888.80-12,826.20

Finding the Fourth Proportional to 22,383.21, 30,888.80 and 12,826.20

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Solution

The fourth proportional to 22,383.21, 30,888.80 and 12,826.20 is: 17,700.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383.21 : 30,888.80 = 12,826.20 : x
  2. Step 2: Convert to fraction form
    22,383.21/30,888.80 = 12,826.20/x
  3. Step 3: Cross multiply
    22,383.21x = 30,888.80 × 12,826.20
  4. Step 4: Simplify right side
    22,383.21x = 396,185,804.18
  5. Step 5: Solve for x
    x = 396,185,804.18/22,383.21
  6. Step 6: Final answer
    x = 17,700.14

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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.