Home / 17,543.40-26,315.10-13,626.60

Finding the Fourth Proportional to 17,543.40, 26,315.10 and 13,626.60

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Solution

The fourth proportional to 17,543.40, 26,315.10 and 13,626.60 is: 20,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.40 : 26,315.10 = 13,626.60 : x
  2. Step 2: Convert to fraction form
    17,543.40/26,315.10 = 13,626.60/x
  3. Step 3: Cross multiply
    17,543.40x = 26,315.10 × 13,626.60
  4. Step 4: Simplify right side
    17,543.40x = 358,585,341.66
  5. Step 5: Solve for x
    x = 358,585,341.66/17,543.40
  6. Step 6: Final answer
    x = 20,439.90

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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.