Home / 27,220.86-40,820.73-10,578.69

Finding the Fourth Proportional to 27,220.86, 40,820.73 and 10,578.69

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Solution

The fourth proportional to 27,220.86, 40,820.73 and 10,578.69 is: 15,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.86 : 40,820.73 = 10,578.69 : x
  2. Step 2: Convert to fraction form
    27,220.86/40,820.73 = 10,578.69/x
  3. Step 3: Cross multiply
    27,220.86x = 40,820.73 × 10,578.69
  4. Step 4: Simplify right side
    27,220.86x = 431,829,848.24
  5. Step 5: Solve for x
    x = 431,829,848.24/27,220.86
  6. Step 6: Final answer
    x = 15,863.93

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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.