Home / 27,799.36-38,362.88-15,052.56

Finding the Fourth Proportional to 27,799.36, 38,362.88 and 15,052.56

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Solution

The fourth proportional to 27,799.36, 38,362.88 and 15,052.56 is: 20,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.36 : 38,362.88 = 15,052.56 : x
  2. Step 2: Convert to fraction form
    27,799.36/38,362.88 = 15,052.56/x
  3. Step 3: Cross multiply
    27,799.36x = 38,362.88 × 15,052.56
  4. Step 4: Simplify right side
    27,799.36x = 577,459,552.97
  5. Step 5: Solve for x
    x = 577,459,552.97/27,799.36
  6. Step 6: Final answer
    x = 20,772.40

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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.