Home / 27,571.95-38,070.74-21,188.44

Finding the Fourth Proportional to 27,571.95, 38,070.74 and 21,188.44

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Solution

The fourth proportional to 27,571.95, 38,070.74 and 21,188.44 is: 29,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.95 : 38,070.74 = 21,188.44 : x
  2. Step 2: Convert to fraction form
    27,571.95/38,070.74 = 21,188.44/x
  3. Step 3: Cross multiply
    27,571.95x = 38,070.74 × 21,188.44
  4. Step 4: Simplify right side
    27,571.95x = 806,659,590.25
  5. Step 5: Solve for x
    x = 806,659,590.25/27,571.95
  6. Step 6: Final answer
    x = 29,256.53

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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.