Home / 28,019.40-38,673.36-17,417.04

Finding the Fourth Proportional to 28,019.40, 38,673.36 and 17,417.04

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Solution

The fourth proportional to 28,019.40, 38,673.36 and 17,417.04 is: 24,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.40 : 38,673.36 = 17,417.04 : x
  2. Step 2: Convert to fraction form
    28,019.40/38,673.36 = 17,417.04/x
  3. Step 3: Cross multiply
    28,019.40x = 38,673.36 × 17,417.04
  4. Step 4: Simplify right side
    28,019.40x = 673,575,458.05
  5. Step 5: Solve for x
    x = 673,575,458.05/28,019.40
  6. Step 6: Final answer
    x = 24,039.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.