Home / 23,040.93-31,796.20-13,351.71

Finding the Fourth Proportional to 23,040.93, 31,796.20 and 13,351.71

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Solution

The fourth proportional to 23,040.93, 31,796.20 and 13,351.71 is: 18,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,040.93 : 31,796.20 = 13,351.71 : x
  2. Step 2: Convert to fraction form
    23,040.93/31,796.20 = 13,351.71/x
  3. Step 3: Cross multiply
    23,040.93x = 31,796.20 × 13,351.71
  4. Step 4: Simplify right side
    23,040.93x = 424,533,641.50
  5. Step 5: Solve for x
    x = 424,533,641.50/23,040.93
  6. Step 6: Final answer
    x = 18,425.20

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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.