Home / 52,858.58-72,944.78-28,985.64

Finding the Fourth Proportional to 52,858.58, 72,944.78 and 28,985.64

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Solution

The fourth proportional to 52,858.58, 72,944.78 and 28,985.64 is: 40,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858.58 : 72,944.78 = 28,985.64 : x
  2. Step 2: Convert to fraction form
    52,858.58/72,944.78 = 28,985.64/x
  3. Step 3: Cross multiply
    52,858.58x = 72,944.78 × 28,985.64
  4. Step 4: Simplify right side
    52,858.58x = 2,114,350,988.03
  5. Step 5: Solve for x
    x = 2,114,350,988.03/52,858.58
  6. Step 6: Final answer
    x = 40,000.15

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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.