Home / 27,347.60-41,015.80-7,621.20

Finding the Fourth Proportional to 27,347.60, 41,015.80 and 7,621.20

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Solution

The fourth proportional to 27,347.60, 41,015.80 and 7,621.20 is: 11,430.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,347.60 : 41,015.80 = 7,621.20 : x
  2. Step 2: Convert to fraction form
    27,347.60/41,015.80 = 7,621.20/x
  3. Step 3: Cross multiply
    27,347.60x = 41,015.80 × 7,621.20
  4. Step 4: Simplify right side
    27,347.60x = 312,589,614.96
  5. Step 5: Solve for x
    x = 312,589,614.96/27,347.60
  6. Step 6: Final answer
    x = 11,430.24

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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.