Home / 28,064.22-38,725.07-15,799.74

Finding the Fourth Proportional to 28,064.22, 38,725.07 and 15,799.74

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Solution

The fourth proportional to 28,064.22, 38,725.07 and 15,799.74 is: 21,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.22 : 38,725.07 = 15,799.74 : x
  2. Step 2: Convert to fraction form
    28,064.22/38,725.07 = 15,799.74/x
  3. Step 3: Cross multiply
    28,064.22x = 38,725.07 × 15,799.74
  4. Step 4: Simplify right side
    28,064.22x = 611,845,958.48
  5. Step 5: Solve for x
    x = 611,845,958.48/28,064.22
  6. Step 6: Final answer
    x = 21,801.64

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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.