Home / 21,331.04-32,006.88-8,860.64

Finding the Fourth Proportional to 21,331.04, 32,006.88 and 8,860.64

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Solution

The fourth proportional to 21,331.04, 32,006.88 and 8,860.64 is: 13,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.04 : 32,006.88 = 8,860.64 : x
  2. Step 2: Convert to fraction form
    21,331.04/32,006.88 = 8,860.64/x
  3. Step 3: Cross multiply
    21,331.04x = 32,006.88 × 8,860.64
  4. Step 4: Simplify right side
    21,331.04x = 283,601,441.20
  5. Step 5: Solve for x
    x = 283,601,441.20/21,331.04
  6. Step 6: Final answer
    x = 13,295.25

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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.