Home / 20,272.50-30,401.00-9,739.52

Finding the Fourth Proportional to 20,272.50, 30,401.00 and 9,739.52

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Solution

The fourth proportional to 20,272.50, 30,401.00 and 9,739.52 is: 14,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,272.50 : 30,401.00 = 9,739.52 : x
  2. Step 2: Convert to fraction form
    20,272.50/30,401.00 = 9,739.52/x
  3. Step 3: Cross multiply
    20,272.50x = 30,401.00 × 9,739.52
  4. Step 4: Simplify right side
    20,272.50x = 296,090,946.82
  5. Step 5: Solve for x
    x = 296,090,946.82/20,272.50
  6. Step 6: Final answer
    x = 14,605.55

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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.