Home / 21,485.57-32,228.35-6,695.68

Finding the Fourth Proportional to 21,485.57, 32,228.35 and 6,695.68

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Solution

The fourth proportional to 21,485.57, 32,228.35 and 6,695.68 is: 10,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.57 : 32,228.35 = 6,695.68 : x
  2. Step 2: Convert to fraction form
    21,485.57/32,228.35 = 6,695.68/x
  3. Step 3: Cross multiply
    21,485.57x = 32,228.35 × 6,695.68
  4. Step 4: Simplify right side
    21,485.57x = 215,790,718.53
  5. Step 5: Solve for x
    x = 215,790,718.53/21,485.57
  6. Step 6: Final answer
    x = 10,043.52

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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.