Home / 28,156.08-38,864.06-16,227.37

Finding the Fourth Proportional to 28,156.08, 38,864.06 and 16,227.37

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Solution

The fourth proportional to 28,156.08, 38,864.06 and 16,227.37 is: 22,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156.08 : 38,864.06 = 16,227.37 : x
  2. Step 2: Convert to fraction form
    28,156.08/38,864.06 = 16,227.37/x
  3. Step 3: Cross multiply
    28,156.08x = 38,864.06 × 16,227.37
  4. Step 4: Simplify right side
    28,156.08x = 630,661,481.32
  5. Step 5: Solve for x
    x = 630,661,481.32/28,156.08
  6. Step 6: Final answer
    x = 22,398.77

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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.