Home / 52,867.88-72,955.14-28,990.12

Finding the Fourth Proportional to 52,867.88, 72,955.14 and 28,990.12

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Solution

The fourth proportional to 52,867.88, 72,955.14 and 28,990.12 is: 40,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,867.88 : 72,955.14 = 28,990.12 : x
  2. Step 2: Convert to fraction form
    52,867.88/72,955.14 = 28,990.12/x
  3. Step 3: Cross multiply
    52,867.88x = 72,955.14 × 28,990.12
  4. Step 4: Simplify right side
    52,867.88x = 2,114,978,263.22
  5. Step 5: Solve for x
    x = 2,114,978,263.22/52,867.88
  6. Step 6: Final answer
    x = 40,004.98

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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.