Home / 28,966.16-43,447.08-8,975.81

Finding the Fourth Proportional to 28,966.16, 43,447.08 and 8,975.81

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Solution

The fourth proportional to 28,966.16, 43,447.08 and 8,975.81 is: 13,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.16 : 43,447.08 = 8,975.81 : x
  2. Step 2: Convert to fraction form
    28,966.16/43,447.08 = 8,975.81/x
  3. Step 3: Cross multiply
    28,966.16x = 43,447.08 × 8,975.81
  4. Step 4: Simplify right side
    28,966.16x = 389,972,735.13
  5. Step 5: Solve for x
    x = 389,972,735.13/28,966.16
  6. Step 6: Final answer
    x = 13,463.05

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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.