Home / 38,625-53,296.34-21,629.99

Finding the Fourth Proportional to 38,625, 53,296.34 and 21,629.99

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Solution

The fourth proportional to 38,625, 53,296.34 and 21,629.99 is: 29,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,625 : 53,296.34 = 21,629.99 : x
  2. Step 2: Convert to fraction form
    38,625/53,296.34 = 21,629.99/x
  3. Step 3: Cross multiply
    38,625x = 53,296.34 × 21,629.99
  4. Step 4: Simplify right side
    38,625x = 1,152,798,926.60
  5. Step 5: Solve for x
    x = 1,152,798,926.60/38,625
  6. Step 6: Final answer
    x = 29,845.93

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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.