Home / 22,479.27-33,718.91-7,688.32

Finding the Fourth Proportional to 22,479.27, 33,718.91 and 7,688.32

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Solution

The fourth proportional to 22,479.27, 33,718.91 and 7,688.32 is: 11,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.27 : 33,718.91 = 7,688.32 : x
  2. Step 2: Convert to fraction form
    22,479.27/33,718.91 = 7,688.32/x
  3. Step 3: Cross multiply
    22,479.27x = 33,718.91 × 7,688.32
  4. Step 4: Simplify right side
    22,479.27x = 259,241,770.13
  5. Step 5: Solve for x
    x = 259,241,770.13/22,479.27
  6. Step 6: Final answer
    x = 11,532.48

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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.