Home / 28,322.24-42,492-14,480.96

Finding the Fourth Proportional to 28,322.24, 42,492 and 14,480.96

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Solution

The fourth proportional to 28,322.24, 42,492 and 14,480.96 is: 21,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.24 : 42,492 = 14,480.96 : x
  2. Step 2: Convert to fraction form
    28,322.24/42,492 = 14,480.96/x
  3. Step 3: Cross multiply
    28,322.24x = 42,492 × 14,480.96
  4. Step 4: Simplify right side
    28,322.24x = 615,324,952.32
  5. Step 5: Solve for x
    x = 615,324,952.32/28,322.24
  6. Step 6: Final answer
    x = 21,725.86

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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.