Home / 23,420.36-32,321.28-13,865.74

Finding the Fourth Proportional to 23,420.36, 32,321.28 and 13,865.74

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Solution

The fourth proportional to 23,420.36, 32,321.28 and 13,865.74 is: 19,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.36 : 32,321.28 = 13,865.74 : x
  2. Step 2: Convert to fraction form
    23,420.36/32,321.28 = 13,865.74/x
  3. Step 3: Cross multiply
    23,420.36x = 32,321.28 × 13,865.74
  4. Step 4: Simplify right side
    23,420.36x = 448,158,464.95
  5. Step 5: Solve for x
    x = 448,158,464.95/23,420.36
  6. Step 6: Final answer
    x = 19,135.42

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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.