Home / 26,288.07-39,392.21-19,272.76

Finding the Fourth Proportional to 26,288.07, 39,392.21 and 19,272.76

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Solution

The fourth proportional to 26,288.07, 39,392.21 and 19,272.76 is: 28,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.07 : 39,392.21 = 19,272.76 : x
  2. Step 2: Convert to fraction form
    26,288.07/39,392.21 = 19,272.76/x
  3. Step 3: Cross multiply
    26,288.07x = 39,392.21 × 19,272.76
  4. Step 4: Simplify right side
    26,288.07x = 759,196,364.06
  5. Step 5: Solve for x
    x = 759,196,364.06/26,288.07
  6. Step 6: Final answer
    x = 28,879.88

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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.