Home / 27,616.98-38,142.47-18,648.92

Finding the Fourth Proportional to 27,616.98, 38,142.47 and 18,648.92

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Solution

The fourth proportional to 27,616.98, 38,142.47 and 18,648.92 is: 25,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,616.98 : 38,142.47 = 18,648.92 : x
  2. Step 2: Convert to fraction form
    27,616.98/38,142.47 = 18,648.92/x
  3. Step 3: Cross multiply
    27,616.98x = 38,142.47 × 18,648.92
  4. Step 4: Simplify right side
    27,616.98x = 711,315,799.06
  5. Step 5: Solve for x
    x = 711,315,799.06/27,616.98
  6. Step 6: Final answer
    x = 25,756.46

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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.