Home / 28,855.67-43,288.28-10,130.84

Finding the Fourth Proportional to 28,855.67, 43,288.28 and 10,130.84

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Solution

The fourth proportional to 28,855.67, 43,288.28 and 10,130.84 is: 15,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.67 : 43,288.28 = 10,130.84 : x
  2. Step 2: Convert to fraction form
    28,855.67/43,288.28 = 10,130.84/x
  3. Step 3: Cross multiply
    28,855.67x = 43,288.28 × 10,130.84
  4. Step 4: Simplify right side
    28,855.67x = 438,546,638.56
  5. Step 5: Solve for x
    x = 438,546,638.56/28,855.67
  6. Step 6: Final answer
    x = 15,197.94

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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.