Home / 28,227.54-38,921.88-23,106.77

Finding the Fourth Proportional to 28,227.54, 38,921.88 and 23,106.77

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Solution

The fourth proportional to 28,227.54, 38,921.88 and 23,106.77 is: 31,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.54 : 38,921.88 = 23,106.77 : x
  2. Step 2: Convert to fraction form
    28,227.54/38,921.88 = 23,106.77/x
  3. Step 3: Cross multiply
    28,227.54x = 38,921.88 × 23,106.77
  4. Step 4: Simplify right side
    28,227.54x = 899,358,929.13
  5. Step 5: Solve for x
    x = 899,358,929.13/28,227.54
  6. Step 6: Final answer
    x = 31,861.05

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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.