Home / 20,643.54-28,460.97-14,896.17

Finding the Fourth Proportional to 20,643.54, 28,460.97 and 14,896.17

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Solution

The fourth proportional to 20,643.54, 28,460.97 and 14,896.17 is: 20,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643.54 : 28,460.97 = 14,896.17 : x
  2. Step 2: Convert to fraction form
    20,643.54/28,460.97 = 14,896.17/x
  3. Step 3: Cross multiply
    20,643.54x = 28,460.97 × 14,896.17
  4. Step 4: Simplify right side
    20,643.54x = 423,959,447.48
  5. Step 5: Solve for x
    x = 423,959,447.48/20,643.54
  6. Step 6: Final answer
    x = 20,537.15

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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.