Home / 22,370.58-30,920.76-19,661.47

Finding the Fourth Proportional to 22,370.58, 30,920.76 and 19,661.47

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Solution

The fourth proportional to 22,370.58, 30,920.76 and 19,661.47 is: 27,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.58 : 30,920.76 = 19,661.47 : x
  2. Step 2: Convert to fraction form
    22,370.58/30,920.76 = 19,661.47/x
  3. Step 3: Cross multiply
    22,370.58x = 30,920.76 × 19,661.47
  4. Step 4: Simplify right side
    22,370.58x = 607,947,703.56
  5. Step 5: Solve for x
    x = 607,947,703.56/22,370.58
  6. Step 6: Final answer
    x = 27,176.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.