Home / 28,546.24-42,790.05-14,480.32

Finding the Fourth Proportional to 28,546.24, 42,790.05 and 14,480.32

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Solution

The fourth proportional to 28,546.24, 42,790.05 and 14,480.32 is: 21,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.24 : 42,790.05 = 14,480.32 : x
  2. Step 2: Convert to fraction form
    28,546.24/42,790.05 = 14,480.32/x
  3. Step 3: Cross multiply
    28,546.24x = 42,790.05 × 14,480.32
  4. Step 4: Simplify right side
    28,546.24x = 619,613,616.82
  5. Step 5: Solve for x
    x = 619,613,616.82/28,546.24
  6. Step 6: Final answer
    x = 21,705.61

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1.5x scale

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.