Home / 28,392.56-42,593.97-11,743.55

Finding the Fourth Proportional to 28,392.56, 42,593.97 and 11,743.55

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Solution

The fourth proportional to 28,392.56, 42,593.97 and 11,743.55 is: 17,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.56 : 42,593.97 = 11,743.55 : x
  2. Step 2: Convert to fraction form
    28,392.56/42,593.97 = 11,743.55/x
  3. Step 3: Cross multiply
    28,392.56x = 42,593.97 × 11,743.55
  4. Step 4: Simplify right side
    28,392.56x = 500,204,416.39
  5. Step 5: Solve for x
    x = 500,204,416.39/28,392.56
  6. Step 6: Final answer
    x = 17,617.45

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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.