Home / 21,830.73-32,752.14-8,692.32

Finding the Fourth Proportional to 21,830.73, 32,752.14 and 8,692.32

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Solution

The fourth proportional to 21,830.73, 32,752.14 and 8,692.32 is: 13,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830.73 : 32,752.14 = 8,692.32 : x
  2. Step 2: Convert to fraction form
    21,830.73/32,752.14 = 8,692.32/x
  3. Step 3: Cross multiply
    21,830.73x = 32,752.14 × 8,692.32
  4. Step 4: Simplify right side
    21,830.73x = 284,692,081.56
  5. Step 5: Solve for x
    x = 284,692,081.56/21,830.73
  6. Step 6: Final answer
    x = 13,040.89

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1.5x scale

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.