Home / 28,155.08-38,862.68-16,226.37

Finding the Fourth Proportional to 28,155.08, 38,862.68 and 16,226.37

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Solution

The fourth proportional to 28,155.08, 38,862.68 and 16,226.37 is: 22,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.08 : 38,862.68 = 16,226.37 : x
  2. Step 2: Convert to fraction form
    28,155.08/38,862.68 = 16,226.37/x
  3. Step 3: Cross multiply
    28,155.08x = 38,862.68 × 16,226.37
  4. Step 4: Simplify right side
    28,155.08x = 630,600,143.74
  5. Step 5: Solve for x
    x = 630,600,143.74/28,155.08
  6. Step 6: Final answer
    x = 22,397.38

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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.