Home / 21,292.48-31,935.12-5,706.48

Finding the Fourth Proportional to 21,292.48, 31,935.12 and 5,706.48

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Solution

The fourth proportional to 21,292.48, 31,935.12 and 5,706.48 is: 8,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,292.48 : 31,935.12 = 5,706.48 : x
  2. Step 2: Convert to fraction form
    21,292.48/31,935.12 = 5,706.48/x
  3. Step 3: Cross multiply
    21,292.48x = 31,935.12 × 5,706.48
  4. Step 4: Simplify right side
    21,292.48x = 182,237,123.58
  5. Step 5: Solve for x
    x = 182,237,123.58/21,292.48
  6. Step 6: Final answer
    x = 8,558.76

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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.