Home / 28,524.51-39,366.75-16,425.42

Finding the Fourth Proportional to 28,524.51, 39,366.75 and 16,425.42

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Solution

The fourth proportional to 28,524.51, 39,366.75 and 16,425.42 is: 22,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.51 : 39,366.75 = 16,425.42 : x
  2. Step 2: Convert to fraction form
    28,524.51/39,366.75 = 16,425.42/x
  3. Step 3: Cross multiply
    28,524.51x = 39,366.75 × 16,425.42
  4. Step 4: Simplify right side
    28,524.51x = 646,615,402.79
  5. Step 5: Solve for x
    x = 646,615,402.79/28,524.51
  6. Step 6: Final answer
    x = 22,668.76

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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.