Home / 28,785.07-43,122.21-17,659.27

Finding the Fourth Proportional to 28,785.07, 43,122.21 and 17,659.27

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Solution

The fourth proportional to 28,785.07, 43,122.21 and 17,659.27 is: 26,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.07 : 43,122.21 = 17,659.27 : x
  2. Step 2: Convert to fraction form
    28,785.07/43,122.21 = 17,659.27/x
  3. Step 3: Cross multiply
    28,785.07x = 43,122.21 × 17,659.27
  4. Step 4: Simplify right side
    28,785.07x = 761,506,749.39
  5. Step 5: Solve for x
    x = 761,506,749.39/28,785.07
  6. Step 6: Final answer
    x = 26,454.92

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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.