Home / 28,306.64-39,069.60-17,553.89

Finding the Fourth Proportional to 28,306.64, 39,069.60 and 17,553.89

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Solution

The fourth proportional to 28,306.64, 39,069.60 and 17,553.89 is: 24,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.64 : 39,069.60 = 17,553.89 : x
  2. Step 2: Convert to fraction form
    28,306.64/39,069.60 = 17,553.89/x
  3. Step 3: Cross multiply
    28,306.64x = 39,069.60 × 17,553.89
  4. Step 4: Simplify right side
    28,306.64x = 685,823,460.74
  5. Step 5: Solve for x
    x = 685,823,460.74/28,306.64
  6. Step 6: Final answer
    x = 24,228.36

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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.