Home / 22,955.04-31,672.80-13,524.48

Finding the Fourth Proportional to 22,955.04, 31,672.80 and 13,524.48

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Solution

The fourth proportional to 22,955.04, 31,672.80 and 13,524.48 is: 18,660.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.04 : 31,672.80 = 13,524.48 : x
  2. Step 2: Convert to fraction form
    22,955.04/31,672.80 = 13,524.48/x
  3. Step 3: Cross multiply
    22,955.04x = 31,672.80 × 13,524.48
  4. Step 4: Simplify right side
    22,955.04x = 428,358,150.14
  5. Step 5: Solve for x
    x = 428,358,150.14/22,955.04
  6. Step 6: Final answer
    x = 18,660.75

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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.