Home / 47,682.61-65,795.28-28,557.90

Finding the Fourth Proportional to 47,682.61, 65,795.28 and 28,557.90

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Solution

The fourth proportional to 47,682.61, 65,795.28 and 28,557.90 is: 39,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,682.61 : 65,795.28 = 28,557.90 : x
  2. Step 2: Convert to fraction form
    47,682.61/65,795.28 = 28,557.90/x
  3. Step 3: Cross multiply
    47,682.61x = 65,795.28 × 28,557.90
  4. Step 4: Simplify right side
    47,682.61x = 1,878,974,883.92
  5. Step 5: Solve for x
    x = 1,878,974,883.92/47,682.61
  6. Step 6: Final answer
    x = 39,405.88

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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.