Home / 27,958.02-38,582.72-15,211.93

Finding the Fourth Proportional to 27,958.02, 38,582.72 and 15,211.93

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Solution

The fourth proportional to 27,958.02, 38,582.72 and 15,211.93 is: 20,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.02 : 38,582.72 = 15,211.93 : x
  2. Step 2: Convert to fraction form
    27,958.02/38,582.72 = 15,211.93/x
  3. Step 3: Cross multiply
    27,958.02x = 38,582.72 × 15,211.93
  4. Step 4: Simplify right side
    27,958.02x = 586,917,635.85
  5. Step 5: Solve for x
    x = 586,917,635.85/27,958.02
  6. Step 6: Final answer
    x = 20,992.82

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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.