Home / 28,182.34-38,892.18-16,243.66

Finding the Fourth Proportional to 28,182.34, 38,892.18 and 16,243.66

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Solution

The fourth proportional to 28,182.34, 38,892.18 and 16,243.66 is: 22,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.34 : 38,892.18 = 16,243.66 : x
  2. Step 2: Convert to fraction form
    28,182.34/38,892.18 = 16,243.66/x
  3. Step 3: Cross multiply
    28,182.34x = 38,892.18 × 16,243.66
  4. Step 4: Simplify right side
    28,182.34x = 631,751,348.58
  5. Step 5: Solve for x
    x = 631,751,348.58/28,182.34
  6. Step 6: Final answer
    x = 22,416.57

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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.