Home / 55,259.56-82,864.98-15,807.70

Finding the Fourth Proportional to 55,259.56, 82,864.98 and 15,807.70

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Solution

The fourth proportional to 55,259.56, 82,864.98 and 15,807.70 is: 23,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,259.56 : 82,864.98 = 15,807.70 : x
  2. Step 2: Convert to fraction form
    55,259.56/82,864.98 = 15,807.70/x
  3. Step 3: Cross multiply
    55,259.56x = 82,864.98 × 15,807.70
  4. Step 4: Simplify right side
    55,259.56x = 1,309,904,744.35
  5. Step 5: Solve for x
    x = 1,309,904,744.35/55,259.56
  6. Step 6: Final answer
    x = 23,704.58

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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.