Home / 27,772.64-38,326.08-15,025.79

Finding the Fourth Proportional to 27,772.64, 38,326.08 and 15,025.79

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Solution

The fourth proportional to 27,772.64, 38,326.08 and 15,025.79 is: 20,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.64 : 38,326.08 = 15,025.79 : x
  2. Step 2: Convert to fraction form
    27,772.64/38,326.08 = 15,025.79/x
  3. Step 3: Cross multiply
    27,772.64x = 38,326.08 × 15,025.79
  4. Step 4: Simplify right side
    27,772.64x = 575,879,437.97
  5. Step 5: Solve for x
    x = 575,879,437.97/27,772.64
  6. Step 6: Final answer
    x = 20,735.50

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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.