Home / 27,111.21-37,406.38-15,623.31

Finding the Fourth Proportional to 27,111.21, 37,406.38 and 15,623.31

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Solution

The fourth proportional to 27,111.21, 37,406.38 and 15,623.31 is: 21,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,111.21 : 37,406.38 = 15,623.31 : x
  2. Step 2: Convert to fraction form
    27,111.21/37,406.38 = 15,623.31/x
  3. Step 3: Cross multiply
    27,111.21x = 37,406.38 × 15,623.31
  4. Step 4: Simplify right side
    27,111.21x = 584,411,645.17
  5. Step 5: Solve for x
    x = 584,411,645.17/27,111.21
  6. Step 6: Final answer
    x = 21,556.08

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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.