Home / 28,803.63-39,749.22-16,228.38

Finding the Fourth Proportional to 28,803.63, 39,749.22 and 16,228.38

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Solution

The fourth proportional to 28,803.63, 39,749.22 and 16,228.38 is: 22,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.63 : 39,749.22 = 16,228.38 : x
  2. Step 2: Convert to fraction form
    28,803.63/39,749.22 = 16,228.38/x
  3. Step 3: Cross multiply
    28,803.63x = 39,749.22 × 16,228.38
  4. Step 4: Simplify right side
    28,803.63x = 645,065,446.86
  5. Step 5: Solve for x
    x = 645,065,446.86/28,803.63
  6. Step 6: Final answer
    x = 22,395.28

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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.