Home / 27,487.54-37,932.81-15,550.63

Finding the Fourth Proportional to 27,487.54, 37,932.81 and 15,550.63

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Solution

The fourth proportional to 27,487.54, 37,932.81 and 15,550.63 is: 21,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.54 : 37,932.81 = 15,550.63 : x
  2. Step 2: Convert to fraction form
    27,487.54/37,932.81 = 15,550.63/x
  3. Step 3: Cross multiply
    27,487.54x = 37,932.81 × 15,550.63
  4. Step 4: Simplify right side
    27,487.54x = 589,879,093.17
  5. Step 5: Solve for x
    x = 589,879,093.17/27,487.54
  6. Step 6: Final answer
    x = 21,459.87

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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.