Home / 28,227.54-42,308.08-11,579.34

Finding the Fourth Proportional to 28,227.54, 42,308.08 and 11,579.34

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Solution

The fourth proportional to 28,227.54, 42,308.08 and 11,579.34 is: 17,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.54 : 42,308.08 = 11,579.34 : x
  2. Step 2: Convert to fraction form
    28,227.54/42,308.08 = 11,579.34/x
  3. Step 3: Cross multiply
    28,227.54x = 42,308.08 × 11,579.34
  4. Step 4: Simplify right side
    28,227.54x = 489,899,643.07
  5. Step 5: Solve for x
    x = 489,899,643.07/28,227.54
  6. Step 6: Final answer
    x = 17,355.38

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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.