Home / 28,590.72-42,867.84-16,907.52

Finding the Fourth Proportional to 28,590.72, 42,867.84 and 16,907.52

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Solution

The fourth proportional to 28,590.72, 42,867.84 and 16,907.52 is: 25,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.72 : 42,867.84 = 16,907.52 : x
  2. Step 2: Convert to fraction form
    28,590.72/42,867.84 = 16,907.52/x
  3. Step 3: Cross multiply
    28,590.72x = 42,867.84 × 16,907.52
  4. Step 4: Simplify right side
    28,590.72x = 724,788,862.16
  5. Step 5: Solve for x
    x = 724,788,862.16/28,590.72
  6. Step 6: Final answer
    x = 25,350.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.