Home / 27,247.20-37,602.48-15,314.28

Finding the Fourth Proportional to 27,247.20, 37,602.48 and 15,314.28

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Solution

The fourth proportional to 27,247.20, 37,602.48 and 15,314.28 is: 21,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.20 : 37,602.48 = 15,314.28 : x
  2. Step 2: Convert to fraction form
    27,247.20/37,602.48 = 15,314.28/x
  3. Step 3: Cross multiply
    27,247.20x = 37,602.48 × 15,314.28
  4. Step 4: Simplify right side
    27,247.20x = 575,854,907.41
  5. Step 5: Solve for x
    x = 575,854,907.41/27,247.20
  6. Step 6: Final answer
    x = 21,134.46

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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.