Home / 28,187.24-38,902.20-16,250.36

Finding the Fourth Proportional to 28,187.24, 38,902.20 and 16,250.36

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Solution

The fourth proportional to 28,187.24, 38,902.20 and 16,250.36 is: 22,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.24 : 38,902.20 = 16,250.36 : x
  2. Step 2: Convert to fraction form
    28,187.24/38,902.20 = 16,250.36/x
  3. Step 3: Cross multiply
    28,187.24x = 38,902.20 × 16,250.36
  4. Step 4: Simplify right side
    28,187.24x = 632,174,754.79
  5. Step 5: Solve for x
    x = 632,174,754.79/28,187.24
  6. Step 6: Final answer
    x = 22,427.69

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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.