Home / 21,630.16-32,422.96-15,692.25

Finding the Fourth Proportional to 21,630.16, 32,422.96 and 15,692.25

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Solution

The fourth proportional to 21,630.16, 32,422.96 and 15,692.25 is: 23,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.16 : 32,422.96 = 15,692.25 : x
  2. Step 2: Convert to fraction form
    21,630.16/32,422.96 = 15,692.25/x
  3. Step 3: Cross multiply
    21,630.16x = 32,422.96 × 15,692.25
  4. Step 4: Simplify right side
    21,630.16x = 508,789,194.06
  5. Step 5: Solve for x
    x = 508,789,194.06/21,630.16
  6. Step 6: Final answer
    x = 23,522.21

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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.