Home / 92,015.29-138,022.72-28,840.23

Finding the Fourth Proportional to 92,015.29, 138,022.72 and 28,840.23

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Solution

The fourth proportional to 92,015.29, 138,022.72 and 28,840.23 is: 43,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,015.29 : 138,022.72 = 28,840.23 : x
  2. Step 2: Convert to fraction form
    92,015.29/138,022.72 = 28,840.23/x
  3. Step 3: Cross multiply
    92,015.29x = 138,022.72 × 28,840.23
  4. Step 4: Simplify right side
    92,015.29x = 3,980,606,990.03
  5. Step 5: Solve for x
    x = 3,980,606,990.03/92,015.29
  6. Step 6: Final answer
    x = 43,260.28

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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.