Home / 27,309.93-37,687.77-15,373.44

Finding the Fourth Proportional to 27,309.93, 37,687.77 and 15,373.44

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Solution

The fourth proportional to 27,309.93, 37,687.77 and 15,373.44 is: 21,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.93 : 37,687.77 = 15,373.44 : x
  2. Step 2: Convert to fraction form
    27,309.93/37,687.77 = 15,373.44/x
  3. Step 3: Cross multiply
    27,309.93x = 37,687.77 × 15,373.44
  4. Step 4: Simplify right side
    27,309.93x = 579,390,670.83
  5. Step 5: Solve for x
    x = 579,390,670.83/27,309.93
  6. Step 6: Final answer
    x = 21,215.38

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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.