Home / 27,575.52-38,054.60-15,638.60

Finding the Fourth Proportional to 27,575.52, 38,054.60 and 15,638.60

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Solution

The fourth proportional to 27,575.52, 38,054.60 and 15,638.60 is: 21,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,575.52 : 38,054.60 = 15,638.60 : x
  2. Step 2: Convert to fraction form
    27,575.52/38,054.60 = 15,638.60/x
  3. Step 3: Cross multiply
    27,575.52x = 38,054.60 × 15,638.60
  4. Step 4: Simplify right side
    27,575.52x = 595,120,667.56
  5. Step 5: Solve for x
    x = 595,120,667.56/27,575.52
  6. Step 6: Final answer
    x = 21,581.48

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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.