Home / 28,177.92-38,885.58-15,257.34

Finding the Fourth Proportional to 28,177.92, 38,885.58 and 15,257.34

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Solution

The fourth proportional to 28,177.92, 38,885.58 and 15,257.34 is: 21,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,177.92 : 38,885.58 = 15,257.34 : x
  2. Step 2: Convert to fraction form
    28,177.92/38,885.58 = 15,257.34/x
  3. Step 3: Cross multiply
    28,177.92x = 38,885.58 × 15,257.34
  4. Step 4: Simplify right side
    28,177.92x = 593,290,515.16
  5. Step 5: Solve for x
    x = 593,290,515.16/28,177.92
  6. Step 6: Final answer
    x = 21,055.16

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Double scale
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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.