Home / 21,472.12-32,204.46-5,677.32

Finding the Fourth Proportional to 21,472.12, 32,204.46 and 5,677.32

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Solution

The fourth proportional to 21,472.12, 32,204.46 and 5,677.32 is: 8,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.12 : 32,204.46 = 5,677.32 : x
  2. Step 2: Convert to fraction form
    21,472.12/32,204.46 = 5,677.32/x
  3. Step 3: Cross multiply
    21,472.12x = 32,204.46 × 5,677.32
  4. Step 4: Simplify right side
    21,472.12x = 182,835,024.85
  5. Step 5: Solve for x
    x = 182,835,024.85/21,472.12
  6. Step 6: Final answer
    x = 8,515.00

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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.