Home / 27,154.50-37,475.37-15,978.66

Finding the Fourth Proportional to 27,154.50, 37,475.37 and 15,978.66

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Solution

The fourth proportional to 27,154.50, 37,475.37 and 15,978.66 is: 22,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.50 : 37,475.37 = 15,978.66 : x
  2. Step 2: Convert to fraction form
    27,154.50/37,475.37 = 15,978.66/x
  3. Step 3: Cross multiply
    27,154.50x = 37,475.37 × 15,978.66
  4. Step 4: Simplify right side
    27,154.50x = 598,806,195.60
  5. Step 5: Solve for x
    x = 598,806,195.60/27,154.50
  6. Step 6: Final answer
    x = 22,051.82

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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.