Home / 28,506.57-39,353.09-17,902.05

Finding the Fourth Proportional to 28,506.57, 39,353.09 and 17,902.05

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Solution

The fourth proportional to 28,506.57, 39,353.09 and 17,902.05 is: 24,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,506.57 : 39,353.09 = 17,902.05 : x
  2. Step 2: Convert to fraction form
    28,506.57/39,353.09 = 17,902.05/x
  3. Step 3: Cross multiply
    28,506.57x = 39,353.09 × 17,902.05
  4. Step 4: Simplify right side
    28,506.57x = 704,500,984.83
  5. Step 5: Solve for x
    x = 704,500,984.83/28,506.57
  6. Step 6: Final answer
    x = 24,713.64

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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.