Home / 27,350.08-37,740.32-15,415.28

Finding the Fourth Proportional to 27,350.08, 37,740.32 and 15,415.28

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Solution

The fourth proportional to 27,350.08, 37,740.32 and 15,415.28 is: 21,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,350.08 : 37,740.32 = 15,415.28 : x
  2. Step 2: Convert to fraction form
    27,350.08/37,740.32 = 15,415.28/x
  3. Step 3: Cross multiply
    27,350.08x = 37,740.32 × 15,415.28
  4. Step 4: Simplify right side
    27,350.08x = 581,777,600.09
  5. Step 5: Solve for x
    x = 581,777,600.09/27,350.08
  6. Step 6: Final answer
    x = 21,271.51

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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.