Home / 23,678.36-35,478.50-21,236.82

Finding the Fourth Proportional to 23,678.36, 35,478.50 and 21,236.82

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Solution

The fourth proportional to 23,678.36, 35,478.50 and 21,236.82 is: 31,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.36 : 35,478.50 = 21,236.82 : x
  2. Step 2: Convert to fraction form
    23,678.36/35,478.50 = 21,236.82/x
  3. Step 3: Cross multiply
    23,678.36x = 35,478.50 × 21,236.82
  4. Step 4: Simplify right side
    23,678.36x = 753,450,518.37
  5. Step 5: Solve for x
    x = 753,450,518.37/23,678.36
  6. Step 6: Final answer
    x = 31,820.22

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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.