Home / 27,164.40-37,486.15-15,228.51

Finding the Fourth Proportional to 27,164.40, 37,486.15 and 15,228.51

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Solution

The fourth proportional to 27,164.40, 37,486.15 and 15,228.51 is: 21,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.40 : 37,486.15 = 15,228.51 : x
  2. Step 2: Convert to fraction form
    27,164.40/37,486.15 = 15,228.51/x
  3. Step 3: Cross multiply
    27,164.40x = 37,486.15 × 15,228.51
  4. Step 4: Simplify right side
    27,164.40x = 570,858,210.14
  5. Step 5: Solve for x
    x = 570,858,210.14/27,164.40
  6. Step 6: Final answer
    x = 21,014.94

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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.