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Finding the Fourth Proportional to 28,846, 39,807.48 and 15,598

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Solution

The fourth proportional to 28,846, 39,807.48 and 15,598 is: 21,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846 : 39,807.48 = 15,598 : x
  2. Step 2: Convert to fraction form
    28,846/39,807.48 = 15,598/x
  3. Step 3: Cross multiply
    28,846x = 39,807.48 × 15,598
  4. Step 4: Simplify right side
    28,846x = 620,917,073.04
  5. Step 5: Solve for x
    x = 620,917,073.04/28,846
  6. Step 6: Final answer
    x = 21,525.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.