Home / 21,177.08-31,766.76-5,594.28

Finding the Fourth Proportional to 21,177.08, 31,766.76 and 5,594.28

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Solution

The fourth proportional to 21,177.08, 31,766.76 and 5,594.28 is: 8,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177.08 : 31,766.76 = 5,594.28 : x
  2. Step 2: Convert to fraction form
    21,177.08/31,766.76 = 5,594.28/x
  3. Step 3: Cross multiply
    21,177.08x = 31,766.76 × 5,594.28
  4. Step 4: Simplify right side
    21,177.08x = 177,712,150.13
  5. Step 5: Solve for x
    x = 177,712,150.13/21,177.08
  6. Step 6: Final answer
    x = 8,391.72

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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.