Home / 28,586.10-42,821.55-16,259.70

Finding the Fourth Proportional to 28,586.10, 42,821.55 and 16,259.70

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Solution

The fourth proportional to 28,586.10, 42,821.55 and 16,259.70 is: 24,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,586.10 : 42,821.55 = 16,259.70 : x
  2. Step 2: Convert to fraction form
    28,586.10/42,821.55 = 16,259.70/x
  3. Step 3: Cross multiply
    28,586.10x = 42,821.55 × 16,259.70
  4. Step 4: Simplify right side
    28,586.10x = 696,265,556.54
  5. Step 5: Solve for x
    x = 696,265,556.54/28,586.10
  6. Step 6: Final answer
    x = 24,356.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.