Home / 22,710.54-31,344.30-13,277.28

Finding the Fourth Proportional to 22,710.54, 31,344.30 and 13,277.28

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Solution

The fourth proportional to 22,710.54, 31,344.30 and 13,277.28 is: 18,324.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.54 : 31,344.30 = 13,277.28 : x
  2. Step 2: Convert to fraction form
    22,710.54/31,344.30 = 13,277.28/x
  3. Step 3: Cross multiply
    22,710.54x = 31,344.30 × 13,277.28
  4. Step 4: Simplify right side
    22,710.54x = 416,167,047.50
  5. Step 5: Solve for x
    x = 416,167,047.50/22,710.54
  6. Step 6: Final answer
    x = 18,324.84

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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.