Home / 27,590.68-38,074.62-15,015.16

Finding the Fourth Proportional to 27,590.68, 38,074.62 and 15,015.16

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Solution

The fourth proportional to 27,590.68, 38,074.62 and 15,015.16 is: 20,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.68 : 38,074.62 = 15,015.16 : x
  2. Step 2: Convert to fraction form
    27,590.68/38,074.62 = 15,015.16/x
  3. Step 3: Cross multiply
    27,590.68x = 38,074.62 × 15,015.16
  4. Step 4: Simplify right side
    27,590.68x = 571,696,511.24
  5. Step 5: Solve for x
    x = 571,696,511.24/27,590.68
  6. Step 6: Final answer
    x = 20,720.64

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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.