Home / 28,283.58-39,032.10-16,949.16

Finding the Fourth Proportional to 28,283.58, 39,032.10 and 16,949.16

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Solution

The fourth proportional to 28,283.58, 39,032.10 and 16,949.16 is: 23,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283.58 : 39,032.10 = 16,949.16 : x
  2. Step 2: Convert to fraction form
    28,283.58/39,032.10 = 16,949.16/x
  3. Step 3: Cross multiply
    28,283.58x = 39,032.10 × 16,949.16
  4. Step 4: Simplify right side
    28,283.58x = 661,561,308.04
  5. Step 5: Solve for x
    x = 661,561,308.04/28,283.58
  6. Step 6: Final answer
    x = 23,390.30

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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.