Home / 47,717.76-65,856.58-28,855.02

Finding the Fourth Proportional to 47,717.76, 65,856.58 and 28,855.02

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Solution

The fourth proportional to 47,717.76, 65,856.58 and 28,855.02 is: 39,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,717.76 : 65,856.58 = 28,855.02 : x
  2. Step 2: Convert to fraction form
    47,717.76/65,856.58 = 28,855.02/x
  3. Step 3: Cross multiply
    47,717.76x = 65,856.58 × 28,855.02
  4. Step 4: Simplify right side
    47,717.76x = 1,900,292,933.03
  5. Step 5: Solve for x
    x = 1,900,292,933.03/47,717.76
  6. Step 6: Final answer
    x = 39,823.60

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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.