Home / 28,043.11-38,698.81-15,467.59

Finding the Fourth Proportional to 28,043.11, 38,698.81 and 15,467.59

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Solution

The fourth proportional to 28,043.11, 38,698.81 and 15,467.59 is: 21,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.11 : 38,698.81 = 15,467.59 : x
  2. Step 2: Convert to fraction form
    28,043.11/38,698.81 = 15,467.59/x
  3. Step 3: Cross multiply
    28,043.11x = 38,698.81 × 15,467.59
  4. Step 4: Simplify right side
    28,043.11x = 598,577,326.57
  5. Step 5: Solve for x
    x = 598,577,326.57/28,043.11
  6. Step 6: Final answer
    x = 21,344.90

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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.