Home / 28,492.46-39,324.49-16,562.78

Finding the Fourth Proportional to 28,492.46, 39,324.49 and 16,562.78

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Solution

The fourth proportional to 28,492.46, 39,324.49 and 16,562.78 is: 22,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.46 : 39,324.49 = 16,562.78 : x
  2. Step 2: Convert to fraction form
    28,492.46/39,324.49 = 16,562.78/x
  3. Step 3: Cross multiply
    28,492.46x = 39,324.49 × 16,562.78
  4. Step 4: Simplify right side
    28,492.46x = 651,322,785.92
  5. Step 5: Solve for x
    x = 651,322,785.92/28,492.46
  6. Step 6: Final answer
    x = 22,859.48

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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.