Home / 21,718.48-32,578.32-6,927.76

Finding the Fourth Proportional to 21,718.48, 32,578.32 and 6,927.76

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Solution

The fourth proportional to 21,718.48, 32,578.32 and 6,927.76 is: 10,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.48 : 32,578.32 = 6,927.76 : x
  2. Step 2: Convert to fraction form
    21,718.48/32,578.32 = 6,927.76/x
  3. Step 3: Cross multiply
    21,718.48x = 32,578.32 × 6,927.76
  4. Step 4: Simplify right side
    21,718.48x = 225,694,782.16
  5. Step 5: Solve for x
    x = 225,694,782.16/21,718.48
  6. Step 6: Final answer
    x = 10,391.83

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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.