Home / 27,090.24-37,382.40-15,152.64

Finding the Fourth Proportional to 27,090.24, 37,382.40 and 15,152.64

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Solution

The fourth proportional to 27,090.24, 37,382.40 and 15,152.64 is: 20,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.24 : 37,382.40 = 15,152.64 : x
  2. Step 2: Convert to fraction form
    27,090.24/37,382.40 = 15,152.64/x
  3. Step 3: Cross multiply
    27,090.24x = 37,382.40 × 15,152.64
  4. Step 4: Simplify right side
    27,090.24x = 566,442,049.54
  5. Step 5: Solve for x
    x = 566,442,049.54/27,090.24
  6. Step 6: Final answer
    x = 20,909.45

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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.