Home / 27,487.56-37,938.30-15,550.92

Finding the Fourth Proportional to 27,487.56, 37,938.30 and 15,550.92

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Solution

The fourth proportional to 27,487.56, 37,938.30 and 15,550.92 is: 21,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.56 : 37,938.30 = 15,550.92 : x
  2. Step 2: Convert to fraction form
    27,487.56/37,938.30 = 15,550.92/x
  3. Step 3: Cross multiply
    27,487.56x = 37,938.30 × 15,550.92
  4. Step 4: Simplify right side
    27,487.56x = 589,975,468.24
  5. Step 5: Solve for x
    x = 589,975,468.24/27,487.56
  6. Step 6: Final answer
    x = 21,463.36

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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.