Home / 19,309.56-26,633.43-17,721.33

Finding the Fourth Proportional to 19,309.56, 26,633.43 and 17,721.33

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Solution

The fourth proportional to 19,309.56, 26,633.43 and 17,721.33 is: 24,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.56 : 26,633.43 = 17,721.33 : x
  2. Step 2: Convert to fraction form
    19,309.56/26,633.43 = 17,721.33/x
  3. Step 3: Cross multiply
    19,309.56x = 26,633.43 × 17,721.33
  4. Step 4: Simplify right side
    19,309.56x = 471,979,802.06
  5. Step 5: Solve for x
    x = 471,979,802.06/19,309.56
  6. Step 6: Final answer
    x = 24,442.80

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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.