Home / 28,707.01-43,037.28-8,975.41

Finding the Fourth Proportional to 28,707.01, 43,037.28 and 8,975.41

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Solution

The fourth proportional to 28,707.01, 43,037.28 and 8,975.41 is: 13,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.01 : 43,037.28 = 8,975.41 : x
  2. Step 2: Convert to fraction form
    28,707.01/43,037.28 = 8,975.41/x
  3. Step 3: Cross multiply
    28,707.01x = 43,037.28 × 8,975.41
  4. Step 4: Simplify right side
    28,707.01x = 386,277,233.28
  5. Step 5: Solve for x
    x = 386,277,233.28/28,707.01
  6. Step 6: Final answer
    x = 13,455.85

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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.