Home / 27,317.10-37,699.47-15,219.48

Finding the Fourth Proportional to 27,317.10, 37,699.47 and 15,219.48

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Solution

The fourth proportional to 27,317.10, 37,699.47 and 15,219.48 is: 21,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.10 : 37,699.47 = 15,219.48 : x
  2. Step 2: Convert to fraction form
    27,317.10/37,699.47 = 15,219.48/x
  3. Step 3: Cross multiply
    27,317.10x = 37,699.47 × 15,219.48
  4. Step 4: Simplify right side
    27,317.10x = 573,766,329.68
  5. Step 5: Solve for x
    x = 573,766,329.68/27,317.10
  6. Step 6: Final answer
    x = 21,003.93

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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.