Home / 28,169.42-42,226.34-15,695.32

Finding the Fourth Proportional to 28,169.42, 42,226.34 and 15,695.32

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Solution

The fourth proportional to 28,169.42, 42,226.34 and 15,695.32 is: 23,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.42 : 42,226.34 = 15,695.32 : x
  2. Step 2: Convert to fraction form
    28,169.42/42,226.34 = 15,695.32/x
  3. Step 3: Cross multiply
    28,169.42x = 42,226.34 × 15,695.32
  4. Step 4: Simplify right side
    28,169.42x = 662,755,858.00
  5. Step 5: Solve for x
    x = 662,755,858.00/28,169.42
  6. Step 6: Final answer
    x = 23,527.49

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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.