Home / 21,273.58-31,927.38-9,587.71

Finding the Fourth Proportional to 21,273.58, 31,927.38 and 9,587.71

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Solution

The fourth proportional to 21,273.58, 31,927.38 and 9,587.71 is: 14,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.58 : 31,927.38 = 9,587.71 : x
  2. Step 2: Convert to fraction form
    21,273.58/31,927.38 = 9,587.71/x
  3. Step 3: Cross multiply
    21,273.58x = 31,927.38 × 9,587.71
  4. Step 4: Simplify right side
    21,273.58x = 306,110,344.73
  5. Step 5: Solve for x
    x = 306,110,344.73/21,273.58
  6. Step 6: Final answer
    x = 14,389.23

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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.