Home / 25,213.07-37,836.61-18,977.69

Finding the Fourth Proportional to 25,213.07, 37,836.61 and 18,977.69

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Solution

The fourth proportional to 25,213.07, 37,836.61 and 18,977.69 is: 28,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.07 : 37,836.61 = 18,977.69 : x
  2. Step 2: Convert to fraction form
    25,213.07/37,836.61 = 18,977.69/x
  3. Step 3: Cross multiply
    25,213.07x = 37,836.61 × 18,977.69
  4. Step 4: Simplify right side
    25,213.07x = 718,051,455.23
  5. Step 5: Solve for x
    x = 718,051,455.23/25,213.07
  6. Step 6: Final answer
    x = 28,479.33

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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.