Home / 40,249.76-55,525.37-28,319.67

Finding the Fourth Proportional to 40,249.76, 55,525.37 and 28,319.67

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Solution

The fourth proportional to 40,249.76, 55,525.37 and 28,319.67 is: 39,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,249.76 : 55,525.37 = 28,319.67 : x
  2. Step 2: Convert to fraction form
    40,249.76/55,525.37 = 28,319.67/x
  3. Step 3: Cross multiply
    40,249.76x = 55,525.37 × 28,319.67
  4. Step 4: Simplify right side
    40,249.76x = 1,572,460,013.43
  5. Step 5: Solve for x
    x = 1,572,460,013.43/40,249.76
  6. Step 6: Final answer
    x = 39,067.57

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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.