Home / 28,861.02-39,846.24-22,133.70

Finding the Fourth Proportional to 28,861.02, 39,846.24 and 22,133.70

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Solution

The fourth proportional to 28,861.02, 39,846.24 and 22,133.70 is: 30,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.02 : 39,846.24 = 22,133.70 : x
  2. Step 2: Convert to fraction form
    28,861.02/39,846.24 = 22,133.70/x
  3. Step 3: Cross multiply
    28,861.02x = 39,846.24 × 22,133.70
  4. Step 4: Simplify right side
    28,861.02x = 881,944,722.29
  5. Step 5: Solve for x
    x = 881,944,722.29/28,861.02
  6. Step 6: Final answer
    x = 30,558.34

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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.