Home / 28,285.18-39,035.25-16,351.42

Finding the Fourth Proportional to 28,285.18, 39,035.25 and 16,351.42

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Solution

The fourth proportional to 28,285.18, 39,035.25 and 16,351.42 is: 22,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,285.18 : 39,035.25 = 16,351.42 : x
  2. Step 2: Convert to fraction form
    28,285.18/39,035.25 = 16,351.42/x
  3. Step 3: Cross multiply
    28,285.18x = 39,035.25 × 16,351.42
  4. Step 4: Simplify right side
    28,285.18x = 638,281,767.56
  5. Step 5: Solve for x
    x = 638,281,767.56/28,285.18
  6. Step 6: Final answer
    x = 22,565.94

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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.