Home / 21,527.25-32,272.35-7,485.45

Finding the Fourth Proportional to 21,527.25, 32,272.35 and 7,485.45

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Solution

The fourth proportional to 21,527.25, 32,272.35 and 7,485.45 is: 11,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.25 : 32,272.35 = 7,485.45 : x
  2. Step 2: Convert to fraction form
    21,527.25/32,272.35 = 7,485.45/x
  3. Step 3: Cross multiply
    21,527.25x = 32,272.35 × 7,485.45
  4. Step 4: Simplify right side
    21,527.25x = 241,573,062.31
  5. Step 5: Solve for x
    x = 241,573,062.31/21,527.25
  6. Step 6: Final answer
    x = 11,221.73

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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.