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Finding the Fourth Proportional to 37,483, 51,727.26 and 20,715.64

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Solution

The fourth proportional to 37,483, 51,727.26 and 20,715.64 is: 28,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,483 : 51,727.26 = 20,715.64 : x
  2. Step 2: Convert to fraction form
    37,483/51,727.26 = 20,715.64/x
  3. Step 3: Cross multiply
    37,483x = 51,727.26 × 20,715.64
  4. Step 4: Simplify right side
    37,483x = 1,071,563,296.35
  5. Step 5: Solve for x
    x = 1,071,563,296.35/37,483
  6. Step 6: Final answer
    x = 28,587.98

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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.