Home / 25,341.26-38,022.62-13,640.81

Finding the Fourth Proportional to 25,341.26, 38,022.62 and 13,640.81

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Solution

The fourth proportional to 25,341.26, 38,022.62 and 13,640.81 is: 20,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341.26 : 38,022.62 = 13,640.81 : x
  2. Step 2: Convert to fraction form
    25,341.26/38,022.62 = 13,640.81/x
  3. Step 3: Cross multiply
    25,341.26x = 38,022.62 × 13,640.81
  4. Step 4: Simplify right side
    25,341.26x = 518,659,076.81
  5. Step 5: Solve for x
    x = 518,659,076.81/25,341.26
  6. Step 6: Final answer
    x = 20,466.98

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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.