Home / 28,043.33-38,700.68-16,109.06

Finding the Fourth Proportional to 28,043.33, 38,700.68 and 16,109.06

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Solution

The fourth proportional to 28,043.33, 38,700.68 and 16,109.06 is: 22,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.33 : 38,700.68 = 16,109.06 : x
  2. Step 2: Convert to fraction form
    28,043.33/38,700.68 = 16,109.06/x
  3. Step 3: Cross multiply
    28,043.33x = 38,700.68 × 16,109.06
  4. Step 4: Simplify right side
    28,043.33x = 623,431,302.11
  5. Step 5: Solve for x
    x = 623,431,302.11/28,043.33
  6. Step 6: Final answer
    x = 22,231.01

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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.