Home / 21,990.60-32,985.90-9,524.70

Finding the Fourth Proportional to 21,990.60, 32,985.90 and 9,524.70

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Solution

The fourth proportional to 21,990.60, 32,985.90 and 9,524.70 is: 14,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990.60 : 32,985.90 = 9,524.70 : x
  2. Step 2: Convert to fraction form
    21,990.60/32,985.90 = 9,524.70/x
  3. Step 3: Cross multiply
    21,990.60x = 32,985.90 × 9,524.70
  4. Step 4: Simplify right side
    21,990.60x = 314,180,801.73
  5. Step 5: Solve for x
    x = 314,180,801.73/21,990.60
  6. Step 6: Final answer
    x = 14,287.05

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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.