Home / 28,091.51-38,768.33-16,158.59

Finding the Fourth Proportional to 28,091.51, 38,768.33 and 16,158.59

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Solution

The fourth proportional to 28,091.51, 38,768.33 and 16,158.59 is: 22,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.51 : 38,768.33 = 16,158.59 : x
  2. Step 2: Convert to fraction form
    28,091.51/38,768.33 = 16,158.59/x
  3. Step 3: Cross multiply
    28,091.51x = 38,768.33 × 16,158.59
  4. Step 4: Simplify right side
    28,091.51x = 626,441,468.66
  5. Step 5: Solve for x
    x = 626,441,468.66/28,091.51
  6. Step 6: Final answer
    x = 22,300.03

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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.