Home / 29,557.14-40,788.30-16,128.06

Finding the Fourth Proportional to 29,557.14, 40,788.30 and 16,128.06

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Solution

The fourth proportional to 29,557.14, 40,788.30 and 16,128.06 is: 22,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.14 : 40,788.30 = 16,128.06 : x
  2. Step 2: Convert to fraction form
    29,557.14/40,788.30 = 16,128.06/x
  3. Step 3: Cross multiply
    29,557.14x = 40,788.30 × 16,128.06
  4. Step 4: Simplify right side
    29,557.14x = 657,836,149.70
  5. Step 5: Solve for x
    x = 657,836,149.70/29,557.14
  6. Step 6: Final answer
    x = 22,256.42

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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.