Home / 28,627.18-39,485.52-27,663.82

Finding the Fourth Proportional to 28,627.18, 39,485.52 and 27,663.82

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Solution

The fourth proportional to 28,627.18, 39,485.52 and 27,663.82 is: 38,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627.18 : 39,485.52 = 27,663.82 : x
  2. Step 2: Convert to fraction form
    28,627.18/39,485.52 = 27,663.82/x
  3. Step 3: Cross multiply
    28,627.18x = 39,485.52 × 27,663.82
  4. Step 4: Simplify right side
    28,627.18x = 1,092,320,317.89
  5. Step 5: Solve for x
    x = 1,092,320,317.89/28,627.18
  6. Step 6: Final answer
    x = 38,156.76

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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.