Home / 27,303.74-37,680.36-15,367.85

Finding the Fourth Proportional to 27,303.74, 37,680.36 and 15,367.85

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Solution

The fourth proportional to 27,303.74, 37,680.36 and 15,367.85 is: 21,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.74 : 37,680.36 = 15,367.85 : x
  2. Step 2: Convert to fraction form
    27,303.74/37,680.36 = 15,367.85/x
  3. Step 3: Cross multiply
    27,303.74x = 37,680.36 × 15,367.85
  4. Step 4: Simplify right side
    27,303.74x = 579,065,932.02
  5. Step 5: Solve for x
    x = 579,065,932.02/27,303.74
  6. Step 6: Final answer
    x = 21,208.30

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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.