Home / 20,532.98-28,278.79-17,699.27

Finding the Fourth Proportional to 20,532.98, 28,278.79 and 17,699.27

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Solution

The fourth proportional to 20,532.98, 28,278.79 and 17,699.27 is: 24,376.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.98 : 28,278.79 = 17,699.27 : x
  2. Step 2: Convert to fraction form
    20,532.98/28,278.79 = 17,699.27/x
  3. Step 3: Cross multiply
    20,532.98x = 28,278.79 × 17,699.27
  4. Step 4: Simplify right side
    20,532.98x = 500,513,753.84
  5. Step 5: Solve for x
    x = 500,513,753.84/20,532.98
  6. Step 6: Final answer
    x = 24,376.09

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1.5x scale

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.