Home / 27,157.39-37,478.63-15,224.54

Finding the Fourth Proportional to 27,157.39, 37,478.63 and 15,224.54

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Solution

The fourth proportional to 27,157.39, 37,478.63 and 15,224.54 is: 21,010.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.39 : 37,478.63 = 15,224.54 : x
  2. Step 2: Convert to fraction form
    27,157.39/37,478.63 = 15,224.54/x
  3. Step 3: Cross multiply
    27,157.39x = 37,478.63 × 15,224.54
  4. Step 4: Simplify right side
    27,157.39x = 570,594,752.25
  5. Step 5: Solve for x
    x = 570,594,752.25/27,157.39
  6. Step 6: Final answer
    x = 21,010.66

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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.