Home / 23,130.74-31,926.40-15,084.44

Finding the Fourth Proportional to 23,130.74, 31,926.40 and 15,084.44

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Solution

The fourth proportional to 23,130.74, 31,926.40 and 15,084.44 is: 20,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.74 : 31,926.40 = 15,084.44 : x
  2. Step 2: Convert to fraction form
    23,130.74/31,926.40 = 15,084.44/x
  3. Step 3: Cross multiply
    23,130.74x = 31,926.40 × 15,084.44
  4. Step 4: Simplify right side
    23,130.74x = 481,591,865.22
  5. Step 5: Solve for x
    x = 481,591,865.22/23,130.74
  6. Step 6: Final answer
    x = 20,820.43

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1.5x scale

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.