Home / 27,960.63-38,587.89-16,025.07

Finding the Fourth Proportional to 27,960.63, 38,587.89 and 16,025.07

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Solution

The fourth proportional to 27,960.63, 38,587.89 and 16,025.07 is: 22,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,960.63 : 38,587.89 = 16,025.07 : x
  2. Step 2: Convert to fraction form
    27,960.63/38,587.89 = 16,025.07/x
  3. Step 3: Cross multiply
    27,960.63x = 38,587.89 × 16,025.07
  4. Step 4: Simplify right side
    27,960.63x = 618,373,638.40
  5. Step 5: Solve for x
    x = 618,373,638.40/27,960.63
  6. Step 6: Final answer
    x = 22,115.87

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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.