Home / 28,658.46-39,551.19-16,725.64

Finding the Fourth Proportional to 28,658.46, 39,551.19 and 16,725.64

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Solution

The fourth proportional to 28,658.46, 39,551.19 and 16,725.64 is: 23,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.46 : 39,551.19 = 16,725.64 : x
  2. Step 2: Convert to fraction form
    28,658.46/39,551.19 = 16,725.64/x
  3. Step 3: Cross multiply
    28,658.46x = 39,551.19 × 16,725.64
  4. Step 4: Simplify right side
    28,658.46x = 661,518,878.07
  5. Step 5: Solve for x
    x = 661,518,878.07/28,658.46
  6. Step 6: Final answer
    x = 23,082.85

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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.