Home / 27,998.49-38,637.90-15,423.24

Finding the Fourth Proportional to 27,998.49, 38,637.90 and 15,423.24

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Solution

The fourth proportional to 27,998.49, 38,637.90 and 15,423.24 is: 21,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.49 : 38,637.90 = 15,423.24 : x
  2. Step 2: Convert to fraction form
    27,998.49/38,637.90 = 15,423.24/x
  3. Step 3: Cross multiply
    27,998.49x = 38,637.90 × 15,423.24
  4. Step 4: Simplify right side
    27,998.49x = 595,921,604.80
  5. Step 5: Solve for x
    x = 595,921,604.80/27,998.49
  6. Step 6: Final answer
    x = 21,284.06

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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.