Home / 28,837.95-43,236.15-17,721.66

Finding the Fourth Proportional to 28,837.95, 43,236.15 and 17,721.66

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Solution

The fourth proportional to 28,837.95, 43,236.15 and 17,721.66 is: 26,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,837.95 : 43,236.15 = 17,721.66 : x
  2. Step 2: Convert to fraction form
    28,837.95/43,236.15 = 17,721.66/x
  3. Step 3: Cross multiply
    28,837.95x = 43,236.15 × 17,721.66
  4. Step 4: Simplify right side
    28,837.95x = 766,216,350.01
  5. Step 5: Solve for x
    x = 766,216,350.01/28,837.95
  6. Step 6: Final answer
    x = 26,569.72

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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.