Home / 52,857.81-72,943.88-28,984.32

Finding the Fourth Proportional to 52,857.81, 72,943.88 and 28,984.32

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Solution

The fourth proportional to 52,857.81, 72,943.88 and 28,984.32 is: 39,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,857.81 : 72,943.88 = 28,984.32 : x
  2. Step 2: Convert to fraction form
    52,857.81/72,943.88 = 28,984.32/x
  3. Step 3: Cross multiply
    52,857.81x = 72,943.88 × 28,984.32
  4. Step 4: Simplify right side
    52,857.81x = 2,114,228,615.04
  5. Step 5: Solve for x
    x = 2,114,228,615.04/52,857.81
  6. Step 6: Final answer
    x = 39,998.41

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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.