Home / 28,998.24-40,036.84-22,271.84

Finding the Fourth Proportional to 28,998.24, 40,036.84 and 22,271.84

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Solution

The fourth proportional to 28,998.24, 40,036.84 and 22,271.84 is: 30,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.24 : 40,036.84 = 22,271.84 : x
  2. Step 2: Convert to fraction form
    28,998.24/40,036.84 = 22,271.84/x
  3. Step 3: Cross multiply
    28,998.24x = 40,036.84 × 22,271.84
  4. Step 4: Simplify right side
    28,998.24x = 891,694,094.59
  5. Step 5: Solve for x
    x = 891,694,094.59/28,998.24
  6. Step 6: Final answer
    x = 30,749.94

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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.