Home / 21,630.04-32,402.98-14,211.96

Finding the Fourth Proportional to 21,630.04, 32,402.98 and 14,211.96

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Solution

The fourth proportional to 21,630.04, 32,402.98 and 14,211.96 is: 21,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.04 : 32,402.98 = 14,211.96 : x
  2. Step 2: Convert to fraction form
    21,630.04/32,402.98 = 14,211.96/x
  3. Step 3: Cross multiply
    21,630.04x = 32,402.98 × 14,211.96
  4. Step 4: Simplify right side
    21,630.04x = 460,509,855.64
  5. Step 5: Solve for x
    x = 460,509,855.64/21,630.04
  6. Step 6: Final answer
    x = 21,290.29

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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.