Home / 21,949.62-32,925.49-7,158.51

Finding the Fourth Proportional to 21,949.62, 32,925.49 and 7,158.51

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Solution

The fourth proportional to 21,949.62, 32,925.49 and 7,158.51 is: 10,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.62 : 32,925.49 = 7,158.51 : x
  2. Step 2: Convert to fraction form
    21,949.62/32,925.49 = 7,158.51/x
  3. Step 3: Cross multiply
    21,949.62x = 32,925.49 × 7,158.51
  4. Step 4: Simplify right side
    21,949.62x = 235,697,431.52
  5. Step 5: Solve for x
    x = 235,697,431.52/21,949.62
  6. Step 6: Final answer
    x = 10,738.11

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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.