Home / 28,498.28-39,327.58-15,752.44

Finding the Fourth Proportional to 28,498.28, 39,327.58 and 15,752.44

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Solution

The fourth proportional to 28,498.28, 39,327.58 and 15,752.44 is: 21,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.28 : 39,327.58 = 15,752.44 : x
  2. Step 2: Convert to fraction form
    28,498.28/39,327.58 = 15,752.44/x
  3. Step 3: Cross multiply
    28,498.28x = 39,327.58 × 15,752.44
  4. Step 4: Simplify right side
    28,498.28x = 619,505,344.30
  5. Step 5: Solve for x
    x = 619,505,344.30/28,498.28
  6. Step 6: Final answer
    x = 21,738.34

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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.