Home / 22,428.40-33,642.60-18,054.40

Finding the Fourth Proportional to 22,428.40, 33,642.60 and 18,054.40

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Solution

The fourth proportional to 22,428.40, 33,642.60 and 18,054.40 is: 27,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.40 : 33,642.60 = 18,054.40 : x
  2. Step 2: Convert to fraction form
    22,428.40/33,642.60 = 18,054.40/x
  3. Step 3: Cross multiply
    22,428.40x = 33,642.60 × 18,054.40
  4. Step 4: Simplify right side
    22,428.40x = 607,396,957.44
  5. Step 5: Solve for x
    x = 607,396,957.44/22,428.40
  6. Step 6: Final answer
    x = 27,081.60

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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.