Home / 21,582.76-29,801.10-16,880.44

Finding the Fourth Proportional to 21,582.76, 29,801.10 and 16,880.44

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Solution

The fourth proportional to 21,582.76, 29,801.10 and 16,880.44 is: 23,308.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.76 : 29,801.10 = 16,880.44 : x
  2. Step 2: Convert to fraction form
    21,582.76/29,801.10 = 16,880.44/x
  3. Step 3: Cross multiply
    21,582.76x = 29,801.10 × 16,880.44
  4. Step 4: Simplify right side
    21,582.76x = 503,055,680.48
  5. Step 5: Solve for x
    x = 503,055,680.48/21,582.76
  6. Step 6: Final answer
    x = 23,308.22

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Half scale
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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.