Home / 28,042.88-38,700.41-15,467.63

Finding the Fourth Proportional to 28,042.88, 38,700.41 and 15,467.63

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Solution

The fourth proportional to 28,042.88, 38,700.41 and 15,467.63 is: 21,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.88 : 38,700.41 = 15,467.63 : x
  2. Step 2: Convert to fraction form
    28,042.88/38,700.41 = 15,467.63/x
  3. Step 3: Cross multiply
    28,042.88x = 38,700.41 × 15,467.63
  4. Step 4: Simplify right side
    28,042.88x = 598,603,351.89
  5. Step 5: Solve for x
    x = 598,603,351.89/28,042.88
  6. Step 6: Final answer
    x = 21,346.01

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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.