Home / 28,894.52-39,875.24-16,147.35

Finding the Fourth Proportional to 28,894.52, 39,875.24 and 16,147.35

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Solution

The fourth proportional to 28,894.52, 39,875.24 and 16,147.35 is: 22,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.52 : 39,875.24 = 16,147.35 : x
  2. Step 2: Convert to fraction form
    28,894.52/39,875.24 = 16,147.35/x
  3. Step 3: Cross multiply
    28,894.52x = 39,875.24 × 16,147.35
  4. Step 4: Simplify right side
    28,894.52x = 643,879,406.15
  5. Step 5: Solve for x
    x = 643,879,406.15/28,894.52
  6. Step 6: Final answer
    x = 22,283.79

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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.