Home / 27,100.64-37,397.12-15,161.92

Finding the Fourth Proportional to 27,100.64, 37,397.12 and 15,161.92

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Solution

The fourth proportional to 27,100.64, 37,397.12 and 15,161.92 is: 20,922.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,100.64 : 37,397.12 = 15,161.92 : x
  2. Step 2: Convert to fraction form
    27,100.64/37,397.12 = 15,161.92/x
  3. Step 3: Cross multiply
    27,100.64x = 37,397.12 × 15,161.92
  4. Step 4: Simplify right side
    27,100.64x = 567,012,141.67
  5. Step 5: Solve for x
    x = 567,012,141.67/27,100.64
  6. Step 6: Final answer
    x = 20,922.46

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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.