Home / 21,775.09-32,664-17,830.27

Finding the Fourth Proportional to 21,775.09, 32,664 and 17,830.27

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Solution

The fourth proportional to 21,775.09, 32,664 and 17,830.27 is: 26,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.09 : 32,664 = 17,830.27 : x
  2. Step 2: Convert to fraction form
    21,775.09/32,664 = 17,830.27/x
  3. Step 3: Cross multiply
    21,775.09x = 32,664 × 17,830.27
  4. Step 4: Simplify right side
    21,775.09x = 582,407,939.28
  5. Step 5: Solve for x
    x = 582,407,939.28/21,775.09
  6. Step 6: Final answer
    x = 26,746.52

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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.