Home / 23,447.32-32,354.42-18,679.40

Finding the Fourth Proportional to 23,447.32, 32,354.42 and 18,679.40

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Solution

The fourth proportional to 23,447.32, 32,354.42 and 18,679.40 is: 25,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,447.32 : 32,354.42 = 18,679.40 : x
  2. Step 2: Convert to fraction form
    23,447.32/32,354.42 = 18,679.40/x
  3. Step 3: Cross multiply
    23,447.32x = 32,354.42 × 18,679.40
  4. Step 4: Simplify right side
    23,447.32x = 604,361,152.95
  5. Step 5: Solve for x
    x = 604,361,152.95/23,447.32
  6. Step 6: Final answer
    x = 25,775.28

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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.