Home / 28,449.40-39,253.89-16,505.82

Finding the Fourth Proportional to 28,449.40, 39,253.89 and 16,505.82

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Solution

The fourth proportional to 28,449.40, 39,253.89 and 16,505.82 is: 22,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.40 : 39,253.89 = 16,505.82 : x
  2. Step 2: Convert to fraction form
    28,449.40/39,253.89 = 16,505.82/x
  3. Step 3: Cross multiply
    28,449.40x = 39,253.89 × 16,505.82
  4. Step 4: Simplify right side
    28,449.40x = 647,917,642.64
  5. Step 5: Solve for x
    x = 647,917,642.64/28,449.40
  6. Step 6: Final answer
    x = 22,774.39

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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.