Home / 21,522.08-32,284.80-18,943.04

Finding the Fourth Proportional to 21,522.08, 32,284.80 and 18,943.04

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Solution

The fourth proportional to 21,522.08, 32,284.80 and 18,943.04 is: 28,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.08 : 32,284.80 = 18,943.04 : x
  2. Step 2: Convert to fraction form
    21,522.08/32,284.80 = 18,943.04/x
  3. Step 3: Cross multiply
    21,522.08x = 32,284.80 × 18,943.04
  4. Step 4: Simplify right side
    21,522.08x = 611,572,257.79
  5. Step 5: Solve for x
    x = 611,572,257.79/21,522.08
  6. Step 6: Final answer
    x = 28,416.04

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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.