Home / 27,327.09-37,711.52-15,390.63

Finding the Fourth Proportional to 27,327.09, 37,711.52 and 15,390.63

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Solution

The fourth proportional to 27,327.09, 37,711.52 and 15,390.63 is: 21,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,327.09 : 37,711.52 = 15,390.63 : x
  2. Step 2: Convert to fraction form
    27,327.09/37,711.52 = 15,390.63/x
  3. Step 3: Cross multiply
    27,327.09x = 37,711.52 × 15,390.63
  4. Step 4: Simplify right side
    27,327.09x = 580,404,051.06
  5. Step 5: Solve for x
    x = 580,404,051.06/27,327.09
  6. Step 6: Final answer
    x = 21,239.15

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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.