Home / 22,986.49-31,725.05-21,485.66

Finding the Fourth Proportional to 22,986.49, 31,725.05 and 21,485.66

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Solution

The fourth proportional to 22,986.49, 31,725.05 and 21,485.66 is: 29,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.49 : 31,725.05 = 21,485.66 : x
  2. Step 2: Convert to fraction form
    22,986.49/31,725.05 = 21,485.66/x
  3. Step 3: Cross multiply
    22,986.49x = 31,725.05 × 21,485.66
  4. Step 4: Simplify right side
    22,986.49x = 681,633,530.35
  5. Step 5: Solve for x
    x = 681,633,530.35/22,986.49
  6. Step 6: Final answer
    x = 29,653.67

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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.