Home / 28,500.43-42,713.37-15,324.43

Finding the Fourth Proportional to 28,500.43, 42,713.37 and 15,324.43

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Solution

The fourth proportional to 28,500.43, 42,713.37 and 15,324.43 is: 22,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.43 : 42,713.37 = 15,324.43 : x
  2. Step 2: Convert to fraction form
    28,500.43/42,713.37 = 15,324.43/x
  3. Step 3: Cross multiply
    28,500.43x = 42,713.37 × 15,324.43
  4. Step 4: Simplify right side
    28,500.43x = 654,558,048.63
  5. Step 5: Solve for x
    x = 654,558,048.63/28,500.43
  6. Step 6: Final answer
    x = 22,966.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.