Home / 28,280.97-39,025.46-16,345.08

Finding the Fourth Proportional to 28,280.97, 39,025.46 and 16,345.08

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Solution

The fourth proportional to 28,280.97, 39,025.46 and 16,345.08 is: 22,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.97 : 39,025.46 = 16,345.08 : x
  2. Step 2: Convert to fraction form
    28,280.97/39,025.46 = 16,345.08/x
  3. Step 3: Cross multiply
    28,280.97x = 39,025.46 × 16,345.08
  4. Step 4: Simplify right side
    28,280.97x = 637,874,306.60
  5. Step 5: Solve for x
    x = 637,874,306.60/28,280.97
  6. Step 6: Final answer
    x = 22,554.89

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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.