Home / 25,550.16-38,321.16-13,079.40

Finding the Fourth Proportional to 25,550.16, 38,321.16 and 13,079.40

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Solution

The fourth proportional to 25,550.16, 38,321.16 and 13,079.40 is: 19,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.16 : 38,321.16 = 13,079.40 : x
  2. Step 2: Convert to fraction form
    25,550.16/38,321.16 = 13,079.40/x
  3. Step 3: Cross multiply
    25,550.16x = 38,321.16 × 13,079.40
  4. Step 4: Simplify right side
    25,550.16x = 501,217,780.10
  5. Step 5: Solve for x
    x = 501,217,780.10/25,550.16
  6. Step 6: Final answer
    x = 19,617.01

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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.