Home / 52,728.39-79,083.63-23,138.28

Finding the Fourth Proportional to 52,728.39, 79,083.63 and 23,138.28

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Solution

The fourth proportional to 52,728.39, 79,083.63 and 23,138.28 is: 34,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728.39 : 79,083.63 = 23,138.28 : x
  2. Step 2: Convert to fraction form
    52,728.39/79,083.63 = 23,138.28/x
  3. Step 3: Cross multiply
    52,728.39x = 79,083.63 × 23,138.28
  4. Step 4: Simplify right side
    52,728.39x = 1,829,859,174.36
  5. Step 5: Solve for x
    x = 1,829,859,174.36/52,728.39
  6. Step 6: Final answer
    x = 34,703.49

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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.