Home / 22,430.82-33,602.49-19,310.70

Finding the Fourth Proportional to 22,430.82, 33,602.49 and 19,310.70

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Solution

The fourth proportional to 22,430.82, 33,602.49 and 19,310.70 is: 28,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.82 : 33,602.49 = 19,310.70 : x
  2. Step 2: Convert to fraction form
    22,430.82/33,602.49 = 19,310.70/x
  3. Step 3: Cross multiply
    22,430.82x = 33,602.49 × 19,310.70
  4. Step 4: Simplify right side
    22,430.82x = 648,887,603.64
  5. Step 5: Solve for x
    x = 648,887,603.64/22,430.82
  6. Step 6: Final answer
    x = 28,928.39

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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.