Home / 22,952.74-31,666.87-12,879.79

Finding the Fourth Proportional to 22,952.74, 31,666.87 and 12,879.79

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Solution

The fourth proportional to 22,952.74, 31,666.87 and 12,879.79 is: 17,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,952.74 : 31,666.87 = 12,879.79 : x
  2. Step 2: Convert to fraction form
    22,952.74/31,666.87 = 12,879.79/x
  3. Step 3: Cross multiply
    22,952.74x = 31,666.87 × 12,879.79
  4. Step 4: Simplify right side
    22,952.74x = 407,862,635.56
  5. Step 5: Solve for x
    x = 407,862,635.56/22,952.74
  6. Step 6: Final answer
    x = 17,769.67

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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.