Home / 28,756.78-43,132.32-9,034.81

Finding the Fourth Proportional to 28,756.78, 43,132.32 and 9,034.81

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Solution

The fourth proportional to 28,756.78, 43,132.32 and 9,034.81 is: 13,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.78 : 43,132.32 = 9,034.81 : x
  2. Step 2: Convert to fraction form
    28,756.78/43,132.32 = 9,034.81/x
  3. Step 3: Cross multiply
    28,756.78x = 43,132.32 × 9,034.81
  4. Step 4: Simplify right side
    28,756.78x = 389,692,316.06
  5. Step 5: Solve for x
    x = 389,692,316.06/28,756.78
  6. Step 6: Final answer
    x = 13,551.32

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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.