Home / 25,329.27-38,004.83-13,640.16

Finding the Fourth Proportional to 25,329.27, 38,004.83 and 13,640.16

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Solution

The fourth proportional to 25,329.27, 38,004.83 and 13,640.16 is: 20,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.27 : 38,004.83 = 13,640.16 : x
  2. Step 2: Convert to fraction form
    25,329.27/38,004.83 = 13,640.16/x
  3. Step 3: Cross multiply
    25,329.27x = 38,004.83 × 13,640.16
  4. Step 4: Simplify right side
    25,329.27x = 518,391,961.97
  5. Step 5: Solve for x
    x = 518,391,961.97/25,329.27
  6. Step 6: Final answer
    x = 20,466.12

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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.