Home / 56,279.28-84,431.04-16,839.60

Finding the Fourth Proportional to 56,279.28, 84,431.04 and 16,839.60

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Solution

The fourth proportional to 56,279.28, 84,431.04 and 16,839.60 is: 25,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.28 : 84,431.04 = 16,839.60 : x
  2. Step 2: Convert to fraction form
    56,279.28/84,431.04 = 16,839.60/x
  3. Step 3: Cross multiply
    56,279.28x = 84,431.04 × 16,839.60
  4. Step 4: Simplify right side
    56,279.28x = 1,421,784,941.18
  5. Step 5: Solve for x
    x = 1,421,784,941.18/56,279.28
  6. Step 6: Final answer
    x = 25,263.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.