Home / 21,425.86-32,134.74-7,385.32

Finding the Fourth Proportional to 21,425.86, 32,134.74 and 7,385.32

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Solution

The fourth proportional to 21,425.86, 32,134.74 and 7,385.32 is: 11,076.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.86 : 32,134.74 = 7,385.32 : x
  2. Step 2: Convert to fraction form
    21,425.86/32,134.74 = 7,385.32/x
  3. Step 3: Cross multiply
    21,425.86x = 32,134.74 × 7,385.32
  4. Step 4: Simplify right side
    21,425.86x = 237,325,338.02
  5. Step 5: Solve for x
    x = 237,325,338.02/21,425.86
  6. Step 6: Final answer
    x = 11,076.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.