Home / 28,184.43-38,894.25-16,247.52

Finding the Fourth Proportional to 28,184.43, 38,894.25 and 16,247.52

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Solution

The fourth proportional to 28,184.43, 38,894.25 and 16,247.52 is: 22,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.43 : 38,894.25 = 16,247.52 : x
  2. Step 2: Convert to fraction form
    28,184.43/38,894.25 = 16,247.52/x
  3. Step 3: Cross multiply
    28,184.43x = 38,894.25 × 16,247.52
  4. Step 4: Simplify right side
    28,184.43x = 631,935,104.76
  5. Step 5: Solve for x
    x = 631,935,104.76/28,184.43
  6. Step 6: Final answer
    x = 22,421.43

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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.