Home / 28,074.66-42,114.23-16,389.06

Finding the Fourth Proportional to 28,074.66, 42,114.23 and 16,389.06

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Solution

The fourth proportional to 28,074.66, 42,114.23 and 16,389.06 is: 24,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.66 : 42,114.23 = 16,389.06 : x
  2. Step 2: Convert to fraction form
    28,074.66/42,114.23 = 16,389.06/x
  3. Step 3: Cross multiply
    28,074.66x = 42,114.23 × 16,389.06
  4. Step 4: Simplify right side
    28,074.66x = 690,212,642.32
  5. Step 5: Solve for x
    x = 690,212,642.32/28,074.66
  6. Step 6: Final answer
    x = 24,584.90

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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.