Home / 23,415.25-32,291.47-15,345.96

Finding the Fourth Proportional to 23,415.25, 32,291.47 and 15,345.96

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Solution

The fourth proportional to 23,415.25, 32,291.47 and 15,345.96 is: 21,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.25 : 32,291.47 = 15,345.96 : x
  2. Step 2: Convert to fraction form
    23,415.25/32,291.47 = 15,345.96/x
  3. Step 3: Cross multiply
    23,415.25x = 32,291.47 × 15,345.96
  4. Step 4: Simplify right side
    23,415.25x = 495,543,568.60
  5. Step 5: Solve for x
    x = 495,543,568.60/23,415.25
  6. Step 6: Final answer
    x = 21,163.29

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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.