Home / 17,821.20-26,707.48-13,435.04

Finding the Fourth Proportional to 17,821.20, 26,707.48 and 13,435.04

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Solution

The fourth proportional to 17,821.20, 26,707.48 and 13,435.04 is: 20,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.20 : 26,707.48 = 13,435.04 : x
  2. Step 2: Convert to fraction form
    17,821.20/26,707.48 = 13,435.04/x
  3. Step 3: Cross multiply
    17,821.20x = 26,707.48 × 13,435.04
  4. Step 4: Simplify right side
    17,821.20x = 358,816,062.10
  5. Step 5: Solve for x
    x = 358,816,062.10/17,821.20
  6. Step 6: Final answer
    x = 20,134.23

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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.