Home / 28,032.54-38,680.08-16,700.64

Finding the Fourth Proportional to 28,032.54, 38,680.08 and 16,700.64

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Solution

The fourth proportional to 28,032.54, 38,680.08 and 16,700.64 is: 23,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.54 : 38,680.08 = 16,700.64 : x
  2. Step 2: Convert to fraction form
    28,032.54/38,680.08 = 16,700.64/x
  3. Step 3: Cross multiply
    28,032.54x = 38,680.08 × 16,700.64
  4. Step 4: Simplify right side
    28,032.54x = 645,982,091.25
  5. Step 5: Solve for x
    x = 645,982,091.25/28,032.54
  6. Step 6: Final answer
    x = 23,044.01

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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.