Home / 27,939.12-38,553.65-16,452.21

Finding the Fourth Proportional to 27,939.12, 38,553.65 and 16,452.21

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Solution

The fourth proportional to 27,939.12, 38,553.65 and 16,452.21 is: 22,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,939.12 : 38,553.65 = 16,452.21 : x
  2. Step 2: Convert to fraction form
    27,939.12/38,553.65 = 16,452.21/x
  3. Step 3: Cross multiply
    27,939.12x = 38,553.65 × 16,452.21
  4. Step 4: Simplify right side
    27,939.12x = 634,292,746.07
  5. Step 5: Solve for x
    x = 634,292,746.07/27,939.12
  6. Step 6: Final answer
    x = 22,702.67

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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.