Home / 21,283.37-31,926.89-5,488.27

Finding the Fourth Proportional to 21,283.37, 31,926.89 and 5,488.27

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Solution

The fourth proportional to 21,283.37, 31,926.89 and 5,488.27 is: 8,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283.37 : 31,926.89 = 5,488.27 : x
  2. Step 2: Convert to fraction form
    21,283.37/31,926.89 = 5,488.27/x
  3. Step 3: Cross multiply
    21,283.37x = 31,926.89 × 5,488.27
  4. Step 4: Simplify right side
    21,283.37x = 175,223,326.48
  5. Step 5: Solve for x
    x = 175,223,326.48/21,283.37
  6. Step 6: Final answer
    x = 8,232.87

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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.