Home / 28,169.34-42,295.41-15,713.70

Finding the Fourth Proportional to 28,169.34, 42,295.41 and 15,713.70

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Solution

The fourth proportional to 28,169.34, 42,295.41 and 15,713.70 is: 23,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.34 : 42,295.41 = 15,713.70 : x
  2. Step 2: Convert to fraction form
    28,169.34/42,295.41 = 15,713.70/x
  3. Step 3: Cross multiply
    28,169.34x = 42,295.41 × 15,713.70
  4. Step 4: Simplify right side
    28,169.34x = 664,617,384.12
  5. Step 5: Solve for x
    x = 664,617,384.12/28,169.34
  6. Step 6: Final answer
    x = 23,593.64

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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.