Home / 21,686.08-32,491.76-14,650.56

Finding the Fourth Proportional to 21,686.08, 32,491.76 and 14,650.56

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Solution

The fourth proportional to 21,686.08, 32,491.76 and 14,650.56 is: 21,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.08 : 32,491.76 = 14,650.56 : x
  2. Step 2: Convert to fraction form
    21,686.08/32,491.76 = 14,650.56/x
  3. Step 3: Cross multiply
    21,686.08x = 32,491.76 × 14,650.56
  4. Step 4: Simplify right side
    21,686.08x = 476,022,479.39
  5. Step 5: Solve for x
    x = 476,022,479.39/21,686.08
  6. Step 6: Final answer
    x = 21,950.60

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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.