Home / 21,622.95-32,426.19-8,472.33

Finding the Fourth Proportional to 21,622.95, 32,426.19 and 8,472.33

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Solution

The fourth proportional to 21,622.95, 32,426.19 and 8,472.33 is: 12,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,622.95 : 32,426.19 = 8,472.33 : x
  2. Step 2: Convert to fraction form
    21,622.95/32,426.19 = 8,472.33/x
  3. Step 3: Cross multiply
    21,622.95x = 32,426.19 × 8,472.33
  4. Step 4: Simplify right side
    21,622.95x = 274,725,382.32
  5. Step 5: Solve for x
    x = 274,725,382.32/21,622.95
  6. Step 6: Final answer
    x = 12,705.27

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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.