Home / 27,351.54-37,746-15,415.92

Finding the Fourth Proportional to 27,351.54, 37,746 and 15,415.92

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Solution

The fourth proportional to 27,351.54, 37,746 and 15,415.92 is: 21,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.54 : 37,746 = 15,415.92 : x
  2. Step 2: Convert to fraction form
    27,351.54/37,746 = 15,415.92/x
  3. Step 3: Cross multiply
    27,351.54x = 37,746 × 15,415.92
  4. Step 4: Simplify right side
    27,351.54x = 581,889,316.32
  5. Step 5: Solve for x
    x = 581,889,316.32/27,351.54
  6. Step 6: Final answer
    x = 21,274.46

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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.