Home / 52,620.26-72,614.81-28,747.06

Finding the Fourth Proportional to 52,620.26, 72,614.81 and 28,747.06

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Solution

The fourth proportional to 52,620.26, 72,614.81 and 28,747.06 is: 39,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.26 : 72,614.81 = 28,747.06 : x
  2. Step 2: Convert to fraction form
    52,620.26/72,614.81 = 28,747.06/x
  3. Step 3: Cross multiply
    52,620.26x = 72,614.81 × 28,747.06
  4. Step 4: Simplify right side
    52,620.26x = 2,087,462,190.29
  5. Step 5: Solve for x
    x = 2,087,462,190.29/52,620.26
  6. Step 6: Final answer
    x = 39,670.32

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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.