Home / 21,608.32-29,827.74-14,554.84

Finding the Fourth Proportional to 21,608.32, 29,827.74 and 14,554.84

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Solution

The fourth proportional to 21,608.32, 29,827.74 and 14,554.84 is: 20,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.32 : 29,827.74 = 14,554.84 : x
  2. Step 2: Convert to fraction form
    21,608.32/29,827.74 = 14,554.84/x
  3. Step 3: Cross multiply
    21,608.32x = 29,827.74 × 14,554.84
  4. Step 4: Simplify right side
    21,608.32x = 434,137,983.26
  5. Step 5: Solve for x
    x = 434,137,983.26/21,608.32
  6. Step 6: Final answer
    x = 20,091.24

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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.