Home / 28,185.27-42,277.90-11,541.51

Finding the Fourth Proportional to 28,185.27, 42,277.90 and 11,541.51

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Solution

The fourth proportional to 28,185.27, 42,277.90 and 11,541.51 is: 17,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.27 : 42,277.90 = 11,541.51 : x
  2. Step 2: Convert to fraction form
    28,185.27/42,277.90 = 11,541.51/x
  3. Step 3: Cross multiply
    28,185.27x = 42,277.90 × 11,541.51
  4. Step 4: Simplify right side
    28,185.27x = 487,950,917.32
  5. Step 5: Solve for x
    x = 487,950,917.32/28,185.27
  6. Step 6: Final answer
    x = 17,312.27

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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.