Home / 28,990.28-40,007.06-22,624.04

Finding the Fourth Proportional to 28,990.28, 40,007.06 and 22,624.04

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Solution

The fourth proportional to 28,990.28, 40,007.06 and 22,624.04 is: 31,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.28 : 40,007.06 = 22,624.04 : x
  2. Step 2: Convert to fraction form
    28,990.28/40,007.06 = 22,624.04/x
  3. Step 3: Cross multiply
    28,990.28x = 40,007.06 × 22,624.04
  4. Step 4: Simplify right side
    28,990.28x = 905,121,325.72
  5. Step 5: Solve for x
    x = 905,121,325.72/28,990.28
  6. Step 6: Final answer
    x = 31,221.54

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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.