Home / 27,827.13-38,401.35-15,080.37

Finding the Fourth Proportional to 27,827.13, 38,401.35 and 15,080.37

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Solution

The fourth proportional to 27,827.13, 38,401.35 and 15,080.37 is: 20,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.13 : 38,401.35 = 15,080.37 : x
  2. Step 2: Convert to fraction form
    27,827.13/38,401.35 = 15,080.37/x
  3. Step 3: Cross multiply
    27,827.13x = 38,401.35 × 15,080.37
  4. Step 4: Simplify right side
    27,827.13x = 579,106,566.50
  5. Step 5: Solve for x
    x = 579,106,566.50/27,827.13
  6. Step 6: Final answer
    x = 20,810.86

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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.