Home / 22,992.08-31,710.52-15,436.12

Finding the Fourth Proportional to 22,992.08, 31,710.52 and 15,436.12

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Solution

The fourth proportional to 22,992.08, 31,710.52 and 15,436.12 is: 21,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.08 : 31,710.52 = 15,436.12 : x
  2. Step 2: Convert to fraction form
    22,992.08/31,710.52 = 15,436.12/x
  3. Step 3: Cross multiply
    22,992.08x = 31,710.52 × 15,436.12
  4. Step 4: Simplify right side
    22,992.08x = 489,487,391.98
  5. Step 5: Solve for x
    x = 489,487,391.98/22,992.08
  6. Step 6: Final answer
    x = 21,289.39

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Double scale
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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.