Home / 22,387.33-30,698.05-21,804.13

Finding the Fourth Proportional to 22,387.33, 30,698.05 and 21,804.13

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Solution

The fourth proportional to 22,387.33, 30,698.05 and 21,804.13 is: 29,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,387.33 : 30,698.05 = 21,804.13 : x
  2. Step 2: Convert to fraction form
    22,387.33/30,698.05 = 21,804.13/x
  3. Step 3: Cross multiply
    22,387.33x = 30,698.05 × 21,804.13
  4. Step 4: Simplify right side
    22,387.33x = 669,344,272.95
  5. Step 5: Solve for x
    x = 669,344,272.95/22,387.33
  6. Step 6: Final answer
    x = 29,898.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.