Home / 22,303.40-33,422.70-18,998.60

Finding the Fourth Proportional to 22,303.40, 33,422.70 and 18,998.60

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Solution

The fourth proportional to 22,303.40, 33,422.70 and 18,998.60 is: 28,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.40 : 33,422.70 = 18,998.60 : x
  2. Step 2: Convert to fraction form
    22,303.40/33,422.70 = 18,998.60/x
  3. Step 3: Cross multiply
    22,303.40x = 33,422.70 × 18,998.60
  4. Step 4: Simplify right side
    22,303.40x = 634,984,508.22
  5. Step 5: Solve for x
    x = 634,984,508.22/22,303.40
  6. Step 6: Final answer
    x = 28,470.30

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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.