Home / 28,808.52-39,756.10-17,630.52

Finding the Fourth Proportional to 28,808.52, 39,756.10 and 17,630.52

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Solution

The fourth proportional to 28,808.52, 39,756.10 and 17,630.52 is: 24,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,808.52 : 39,756.10 = 17,630.52 : x
  2. Step 2: Convert to fraction form
    28,808.52/39,756.10 = 17,630.52/x
  3. Step 3: Cross multiply
    28,808.52x = 39,756.10 × 17,630.52
  4. Step 4: Simplify right side
    28,808.52x = 700,920,716.17
  5. Step 5: Solve for x
    x = 700,920,716.17/28,808.52
  6. Step 6: Final answer
    x = 24,330.33

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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.