Home / 22,328.52-30,823.14-15,640.36

Finding the Fourth Proportional to 22,328.52, 30,823.14 and 15,640.36

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Solution

The fourth proportional to 22,328.52, 30,823.14 and 15,640.36 is: 21,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.52 : 30,823.14 = 15,640.36 : x
  2. Step 2: Convert to fraction form
    22,328.52/30,823.14 = 15,640.36/x
  3. Step 3: Cross multiply
    22,328.52x = 30,823.14 × 15,640.36
  4. Step 4: Simplify right side
    22,328.52x = 482,085,005.93
  5. Step 5: Solve for x
    x = 482,085,005.93/22,328.52
  6. Step 6: Final answer
    x = 21,590.55

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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.