Home / 19,135.04-28,702.52-5,284

Finding the Fourth Proportional to 19,135.04, 28,702.52 and 5,284

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Solution

The fourth proportional to 19,135.04, 28,702.52 and 5,284 is: 7,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.04 : 28,702.52 = 5,284 : x
  2. Step 2: Convert to fraction form
    19,135.04/28,702.52 = 5,284/x
  3. Step 3: Cross multiply
    19,135.04x = 28,702.52 × 5,284
  4. Step 4: Simplify right side
    19,135.04x = 151,664,115.68
  5. Step 5: Solve for x
    x = 151,664,115.68/19,135.04
  6. Step 6: Final answer
    x = 7,925.99

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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.