Home / 28,997.99-40,036.50-22,271.60

Finding the Fourth Proportional to 28,997.99, 40,036.50 and 22,271.60

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Solution

The fourth proportional to 28,997.99, 40,036.50 and 22,271.60 is: 30,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.99 : 40,036.50 = 22,271.60 : x
  2. Step 2: Convert to fraction form
    28,997.99/40,036.50 = 22,271.60/x
  3. Step 3: Cross multiply
    28,997.99x = 40,036.50 × 22,271.60
  4. Step 4: Simplify right side
    28,997.99x = 891,676,913.40
  5. Step 5: Solve for x
    x = 891,676,913.40/28,997.99
  6. Step 6: Final answer
    x = 30,749.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.