Home / 28,465.62-39,267.04-17,128.29

Finding the Fourth Proportional to 28,465.62, 39,267.04 and 17,128.29

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Solution

The fourth proportional to 28,465.62, 39,267.04 and 17,128.29 is: 23,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.62 : 39,267.04 = 17,128.29 : x
  2. Step 2: Convert to fraction form
    28,465.62/39,267.04 = 17,128.29/x
  3. Step 3: Cross multiply
    28,465.62x = 39,267.04 × 17,128.29
  4. Step 4: Simplify right side
    28,465.62x = 672,577,248.56
  5. Step 5: Solve for x
    x = 672,577,248.56/28,465.62
  6. Step 6: Final answer
    x = 23,627.70

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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.