Home / 55,282.04-82,922.68-15,839.20

Finding the Fourth Proportional to 55,282.04, 82,922.68 and 15,839.20

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Solution

The fourth proportional to 55,282.04, 82,922.68 and 15,839.20 is: 23,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.04 : 82,922.68 = 15,839.20 : x
  2. Step 2: Convert to fraction form
    55,282.04/82,922.68 = 15,839.20/x
  3. Step 3: Cross multiply
    55,282.04x = 82,922.68 × 15,839.20
  4. Step 4: Simplify right side
    55,282.04x = 1,313,428,913.06
  5. Step 5: Solve for x
    x = 1,313,428,913.06/55,282.04
  6. Step 6: Final answer
    x = 23,758.69

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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.