Home / 20,185.47-30,253.50-15,239.61

Finding the Fourth Proportional to 20,185.47, 30,253.50 and 15,239.61

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Solution

The fourth proportional to 20,185.47, 30,253.50 and 15,239.61 is: 22,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.47 : 30,253.50 = 15,239.61 : x
  2. Step 2: Convert to fraction form
    20,185.47/30,253.50 = 15,239.61/x
  3. Step 3: Cross multiply
    20,185.47x = 30,253.50 × 15,239.61
  4. Step 4: Simplify right side
    20,185.47x = 461,051,541.14
  5. Step 5: Solve for x
    x = 461,051,541.14/20,185.47
  6. Step 6: Final answer
    x = 22,840.76

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1.5x scale

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.