Home / 28,249.29-38,983.86-16,313.67

Finding the Fourth Proportional to 28,249.29, 38,983.86 and 16,313.67

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Solution

The fourth proportional to 28,249.29, 38,983.86 and 16,313.67 is: 22,512.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.29 : 38,983.86 = 16,313.67 : x
  2. Step 2: Convert to fraction form
    28,249.29/38,983.86 = 16,313.67/x
  3. Step 3: Cross multiply
    28,249.29x = 38,983.86 × 16,313.67
  4. Step 4: Simplify right side
    28,249.29x = 635,969,827.37
  5. Step 5: Solve for x
    x = 635,969,827.37/28,249.29
  6. Step 6: Final answer
    x = 22,512.77

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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.