Home / 27,465.10-37,900.32-15,527.68

Finding the Fourth Proportional to 27,465.10, 37,900.32 and 15,527.68

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Solution

The fourth proportional to 27,465.10, 37,900.32 and 15,527.68 is: 21,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,465.10 : 37,900.32 = 15,527.68 : x
  2. Step 2: Convert to fraction form
    27,465.10/37,900.32 = 15,527.68/x
  3. Step 3: Cross multiply
    27,465.10x = 37,900.32 × 15,527.68
  4. Step 4: Simplify right side
    27,465.10x = 588,504,040.86
  5. Step 5: Solve for x
    x = 588,504,040.86/27,465.10
  6. Step 6: Final answer
    x = 21,427.34

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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.