Home / 28,590.84-39,456.54-16,015.68

Finding the Fourth Proportional to 28,590.84, 39,456.54 and 16,015.68

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Solution

The fourth proportional to 28,590.84, 39,456.54 and 16,015.68 is: 22,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.84 : 39,456.54 = 16,015.68 : x
  2. Step 2: Convert to fraction form
    28,590.84/39,456.54 = 16,015.68/x
  3. Step 3: Cross multiply
    28,590.84x = 39,456.54 × 16,015.68
  4. Step 4: Simplify right side
    28,590.84x = 631,923,318.55
  5. Step 5: Solve for x
    x = 631,923,318.55/28,590.84
  6. Step 6: Final answer
    x = 22,102.30

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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.