Home / 19,286.49-28,925.67-5,432.25

Finding the Fourth Proportional to 19,286.49, 28,925.67 and 5,432.25

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Solution

The fourth proportional to 19,286.49, 28,925.67 and 5,432.25 is: 8,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.49 : 28,925.67 = 5,432.25 : x
  2. Step 2: Convert to fraction form
    19,286.49/28,925.67 = 5,432.25/x
  3. Step 3: Cross multiply
    19,286.49x = 28,925.67 × 5,432.25
  4. Step 4: Simplify right side
    19,286.49x = 157,131,470.86
  5. Step 5: Solve for x
    x = 157,131,470.86/19,286.49
  6. Step 6: Final answer
    x = 8,147.23

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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.