Home / 28,308.03-39,064.23-16,208.11

Finding the Fourth Proportional to 28,308.03, 39,064.23 and 16,208.11

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Solution

The fourth proportional to 28,308.03, 39,064.23 and 16,208.11 is: 22,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,308.03 : 39,064.23 = 16,208.11 : x
  2. Step 2: Convert to fraction form
    28,308.03/39,064.23 = 16,208.11/x
  3. Step 3: Cross multiply
    28,308.03x = 39,064.23 × 16,208.11
  4. Step 4: Simplify right side
    28,308.03x = 633,157,336.91
  5. Step 5: Solve for x
    x = 633,157,336.91/28,308.03
  6. Step 6: Final answer
    x = 22,366.70

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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.