Home / 27,543.08-38,012.43-16,215.33

Finding the Fourth Proportional to 27,543.08, 38,012.43 and 16,215.33

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Solution

The fourth proportional to 27,543.08, 38,012.43 and 16,215.33 is: 22,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.08 : 38,012.43 = 16,215.33 : x
  2. Step 2: Convert to fraction form
    27,543.08/38,012.43 = 16,215.33/x
  3. Step 3: Cross multiply
    27,543.08x = 38,012.43 × 16,215.33
  4. Step 4: Simplify right side
    27,543.08x = 616,384,096.55
  5. Step 5: Solve for x
    x = 616,384,096.55/27,543.08
  6. Step 6: Final answer
    x = 22,378.91

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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.