Home / 28,835.13-43,266.52-15,687.48

Finding the Fourth Proportional to 28,835.13, 43,266.52 and 15,687.48

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Solution

The fourth proportional to 28,835.13, 43,266.52 and 15,687.48 is: 23,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.13 : 43,266.52 = 15,687.48 : x
  2. Step 2: Convert to fraction form
    28,835.13/43,266.52 = 15,687.48/x
  3. Step 3: Cross multiply
    28,835.13x = 43,266.52 × 15,687.48
  4. Step 4: Simplify right side
    28,835.13x = 678,742,627.95
  5. Step 5: Solve for x
    x = 678,742,627.95/28,835.13
  6. Step 6: Final answer
    x = 23,538.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.