Home / 21,373.20-32,016.60-17,485.20

Finding the Fourth Proportional to 21,373.20, 32,016.60 and 17,485.20

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Solution

The fourth proportional to 21,373.20, 32,016.60 and 17,485.20 is: 26,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.20 : 32,016.60 = 17,485.20 : x
  2. Step 2: Convert to fraction form
    21,373.20/32,016.60 = 17,485.20/x
  3. Step 3: Cross multiply
    21,373.20x = 32,016.60 × 17,485.20
  4. Step 4: Simplify right side
    21,373.20x = 559,816,654.32
  5. Step 5: Solve for x
    x = 559,816,654.32/21,373.20
  6. Step 6: Final answer
    x = 26,192.46

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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.