Home / 21,770.36-30,052.28-14,706.35

Finding the Fourth Proportional to 21,770.36, 30,052.28 and 14,706.35

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Solution

The fourth proportional to 21,770.36, 30,052.28 and 14,706.35 is: 20,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.36 : 30,052.28 = 14,706.35 : x
  2. Step 2: Convert to fraction form
    21,770.36/30,052.28 = 14,706.35/x
  3. Step 3: Cross multiply
    21,770.36x = 30,052.28 × 14,706.35
  4. Step 4: Simplify right side
    21,770.36x = 441,959,347.98
  5. Step 5: Solve for x
    x = 441,959,347.98/21,770.36
  6. Step 6: Final answer
    x = 20,300.97

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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.