Home / 38,028.68-52,478.26-21,261.64

Finding the Fourth Proportional to 38,028.68, 52,478.26 and 21,261.64

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Solution

The fourth proportional to 38,028.68, 52,478.26 and 21,261.64 is: 29,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,028.68 : 52,478.26 = 21,261.64 : x
  2. Step 2: Convert to fraction form
    38,028.68/52,478.26 = 21,261.64/x
  3. Step 3: Cross multiply
    38,028.68x = 52,478.26 × 21,261.64
  4. Step 4: Simplify right side
    38,028.68x = 1,115,773,871.95
  5. Step 5: Solve for x
    x = 1,115,773,871.95/38,028.68
  6. Step 6: Final answer
    x = 29,340.33

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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.