Home / 28,895.63-39,876.72-16,959.47

Finding the Fourth Proportional to 28,895.63, 39,876.72 and 16,959.47

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Solution

The fourth proportional to 28,895.63, 39,876.72 and 16,959.47 is: 23,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.63 : 39,876.72 = 16,959.47 : x
  2. Step 2: Convert to fraction form
    28,895.63/39,876.72 = 16,959.47/x
  3. Step 3: Cross multiply
    28,895.63x = 39,876.72 × 16,959.47
  4. Step 4: Simplify right side
    28,895.63x = 676,288,036.54
  5. Step 5: Solve for x
    x = 676,288,036.54/28,895.63
  6. Step 6: Final answer
    x = 23,404.51

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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.