Home / 28,161.48-38,862.72-16,226.94

Finding the Fourth Proportional to 28,161.48, 38,862.72 and 16,226.94

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Solution

The fourth proportional to 28,161.48, 38,862.72 and 16,226.94 is: 22,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,161.48 : 38,862.72 = 16,226.94 : x
  2. Step 2: Convert to fraction form
    28,161.48/38,862.72 = 16,226.94/x
  3. Step 3: Cross multiply
    28,161.48x = 38,862.72 × 16,226.94
  4. Step 4: Simplify right side
    28,161.48x = 630,623,025.68
  5. Step 5: Solve for x
    x = 630,623,025.68/28,161.48
  6. Step 6: Final answer
    x = 22,393.11

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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.