Home / 64,170.40-96,255-17,423.28

Finding the Fourth Proportional to 64,170.40, 96,255 and 17,423.28

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Solution

The fourth proportional to 64,170.40, 96,255 and 17,423.28 is: 26,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.40 : 96,255 = 17,423.28 : x
  2. Step 2: Convert to fraction form
    64,170.40/96,255 = 17,423.28/x
  3. Step 3: Cross multiply
    64,170.40x = 96,255 × 17,423.28
  4. Step 4: Simplify right side
    64,170.40x = 1,677,077,816.40
  5. Step 5: Solve for x
    x = 1,677,077,816.40/64,170.40
  6. Step 6: Final answer
    x = 26,134.76

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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.