Home / 27,392.38-37,802.62-15,455.67

Finding the Fourth Proportional to 27,392.38, 37,802.62 and 15,455.67

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Solution

The fourth proportional to 27,392.38, 37,802.62 and 15,455.67 is: 21,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,392.38 : 37,802.62 = 15,455.67 : x
  2. Step 2: Convert to fraction form
    27,392.38/37,802.62 = 15,455.67/x
  3. Step 3: Cross multiply
    27,392.38x = 37,802.62 × 15,455.67
  4. Step 4: Simplify right side
    27,392.38x = 584,264,819.86
  5. Step 5: Solve for x
    x = 584,264,819.86/27,392.38
  6. Step 6: Final answer
    x = 21,329.47

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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.