Home / 28,432.04-42,560.57-18,550.04

Finding the Fourth Proportional to 28,432.04, 42,560.57 and 18,550.04

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Solution

The fourth proportional to 28,432.04, 42,560.57 and 18,550.04 is: 27,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.04 : 42,560.57 = 18,550.04 : x
  2. Step 2: Convert to fraction form
    28,432.04/42,560.57 = 18,550.04/x
  3. Step 3: Cross multiply
    28,432.04x = 42,560.57 × 18,550.04
  4. Step 4: Simplify right side
    28,432.04x = 789,500,109.50
  5. Step 5: Solve for x
    x = 789,500,109.50/28,432.04
  6. Step 6: Final answer
    x = 27,767.98

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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.