Home / 28,165.93-42,264.48-11,537.64

Finding the Fourth Proportional to 28,165.93, 42,264.48 and 11,537.64

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Solution

The fourth proportional to 28,165.93, 42,264.48 and 11,537.64 is: 17,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.93 : 42,264.48 = 11,537.64 : x
  2. Step 2: Convert to fraction form
    28,165.93/42,264.48 = 11,537.64/x
  3. Step 3: Cross multiply
    28,165.93x = 42,264.48 × 11,537.64
  4. Step 4: Simplify right side
    28,165.93x = 487,632,398.29
  5. Step 5: Solve for x
    x = 487,632,398.29/28,165.93
  6. Step 6: Final answer
    x = 17,312.85

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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.