Home / 21,902.08-32,877.74-8,763.72

Finding the Fourth Proportional to 21,902.08, 32,877.74 and 8,763.72

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Solution

The fourth proportional to 21,902.08, 32,877.74 and 8,763.72 is: 13,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.08 : 32,877.74 = 8,763.72 : x
  2. Step 2: Convert to fraction form
    21,902.08/32,877.74 = 8,763.72/x
  3. Step 3: Cross multiply
    21,902.08x = 32,877.74 × 8,763.72
  4. Step 4: Simplify right side
    21,902.08x = 288,131,307.59
  5. Step 5: Solve for x
    x = 288,131,307.59/21,902.08
  6. Step 6: Final answer
    x = 13,155.43

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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.