Home / 86,914.20-130,288.08-27,717.24

Finding the Fourth Proportional to 86,914.20, 130,288.08 and 27,717.24

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Solution

The fourth proportional to 86,914.20, 130,288.08 and 27,717.24 is: 41,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,914.20 : 130,288.08 = 27,717.24 : x
  2. Step 2: Convert to fraction form
    86,914.20/130,288.08 = 27,717.24/x
  3. Step 3: Cross multiply
    86,914.20x = 130,288.08 × 27,717.24
  4. Step 4: Simplify right side
    86,914.20x = 3,611,225,982.50
  5. Step 5: Solve for x
    x = 3,611,225,982.50/86,914.20
  6. Step 6: Final answer
    x = 41,549.32

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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.