Home / 28,049.10-38,707.79-16,114.77

Finding the Fourth Proportional to 28,049.10, 38,707.79 and 16,114.77

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Solution

The fourth proportional to 28,049.10, 38,707.79 and 16,114.77 is: 22,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.10 : 38,707.79 = 16,114.77 : x
  2. Step 2: Convert to fraction form
    28,049.10/38,707.79 = 16,114.77/x
  3. Step 3: Cross multiply
    28,049.10x = 38,707.79 × 16,114.77
  4. Step 4: Simplify right side
    28,049.10x = 623,767,133.06
  5. Step 5: Solve for x
    x = 623,767,133.06/28,049.10
  6. Step 6: Final answer
    x = 22,238.40

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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.