Home / 21,771.02-29,848.33-21,377.36

Finding the Fourth Proportional to 21,771.02, 29,848.33 and 21,377.36

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Solution

The fourth proportional to 21,771.02, 29,848.33 and 21,377.36 is: 29,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.02 : 29,848.33 = 21,377.36 : x
  2. Step 2: Convert to fraction form
    21,771.02/29,848.33 = 21,377.36/x
  3. Step 3: Cross multiply
    21,771.02x = 29,848.33 × 21,377.36
  4. Step 4: Simplify right side
    21,771.02x = 638,078,388.92
  5. Step 5: Solve for x
    x = 638,078,388.92/21,771.02
  6. Step 6: Final answer
    x = 29,308.61

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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.