Home / 28,062.28-38,725.59-15,486.22

Finding the Fourth Proportional to 28,062.28, 38,725.59 and 15,486.22

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Solution

The fourth proportional to 28,062.28, 38,725.59 and 15,486.22 is: 21,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.28 : 38,725.59 = 15,486.22 : x
  2. Step 2: Convert to fraction form
    28,062.28/38,725.59 = 15,486.22/x
  3. Step 3: Cross multiply
    28,062.28x = 38,725.59 × 15,486.22
  4. Step 4: Simplify right side
    28,062.28x = 599,713,006.37
  5. Step 5: Solve for x
    x = 599,713,006.37/28,062.28
  6. Step 6: Final answer
    x = 21,370.79

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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.