Home / 21,380.40-32,070.60-5,798.03

Finding the Fourth Proportional to 21,380.40, 32,070.60 and 5,798.03

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Solution

The fourth proportional to 21,380.40, 32,070.60 and 5,798.03 is: 8,697.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.40 : 32,070.60 = 5,798.03 : x
  2. Step 2: Convert to fraction form
    21,380.40/32,070.60 = 5,798.03/x
  3. Step 3: Cross multiply
    21,380.40x = 32,070.60 × 5,798.03
  4. Step 4: Simplify right side
    21,380.40x = 185,946,140.57
  5. Step 5: Solve for x
    x = 185,946,140.57/21,380.40
  6. Step 6: Final answer
    x = 8,697.04

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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.