Home / 21,270.50-31,925.44-10,747.92

Finding the Fourth Proportional to 21,270.50, 31,925.44 and 10,747.92

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Solution

The fourth proportional to 21,270.50, 31,925.44 and 10,747.92 is: 16,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,270.50 : 31,925.44 = 10,747.92 : x
  2. Step 2: Convert to fraction form
    21,270.50/31,925.44 = 10,747.92/x
  3. Step 3: Cross multiply
    21,270.50x = 31,925.44 × 10,747.92
  4. Step 4: Simplify right side
    21,270.50x = 343,132,208.24
  5. Step 5: Solve for x
    x = 343,132,208.24/21,270.50
  6. Step 6: Final answer
    x = 16,131.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.