Home / 27,652.16-38,160.96-15,716

Finding the Fourth Proportional to 27,652.16, 38,160.96 and 15,716

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Solution

The fourth proportional to 27,652.16, 38,160.96 and 15,716 is: 21,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.16 : 38,160.96 = 15,716 : x
  2. Step 2: Convert to fraction form
    27,652.16/38,160.96 = 15,716/x
  3. Step 3: Cross multiply
    27,652.16x = 38,160.96 × 15,716
  4. Step 4: Simplify right side
    27,652.16x = 599,737,647.36
  5. Step 5: Solve for x
    x = 599,737,647.36/27,652.16
  6. Step 6: Final answer
    x = 21,688.64

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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.