Home / 27,852.26-38,435.62-15,752.56

Finding the Fourth Proportional to 27,852.26, 38,435.62 and 15,752.56

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Solution

The fourth proportional to 27,852.26, 38,435.62 and 15,752.56 is: 21,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,852.26 : 38,435.62 = 15,752.56 : x
  2. Step 2: Convert to fraction form
    27,852.26/38,435.62 = 15,752.56/x
  3. Step 3: Cross multiply
    27,852.26x = 38,435.62 × 15,752.56
  4. Step 4: Simplify right side
    27,852.26x = 605,459,410.19
  5. Step 5: Solve for x
    x = 605,459,410.19/27,852.26
  6. Step 6: Final answer
    x = 21,738.25

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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.