Home / 86,886.32-130,327.20-27,725.60

Finding the Fourth Proportional to 86,886.32, 130,327.20 and 27,725.60

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Solution

The fourth proportional to 86,886.32, 130,327.20 and 27,725.60 is: 41,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,886.32 : 130,327.20 = 27,725.60 : x
  2. Step 2: Convert to fraction form
    86,886.32/130,327.20 = 27,725.60/x
  3. Step 3: Cross multiply
    86,886.32x = 130,327.20 × 27,725.60
  4. Step 4: Simplify right side
    86,886.32x = 3,613,399,816.32
  5. Step 5: Solve for x
    x = 3,613,399,816.32/86,886.32
  6. Step 6: Final answer
    x = 41,587.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.