Home / 21,764.88-32,646.72-14,632.80

Finding the Fourth Proportional to 21,764.88, 32,646.72 and 14,632.80

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Solution

The fourth proportional to 21,764.88, 32,646.72 and 14,632.80 is: 21,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.88 : 32,646.72 = 14,632.80 : x
  2. Step 2: Convert to fraction form
    21,764.88/32,646.72 = 14,632.80/x
  3. Step 3: Cross multiply
    21,764.88x = 32,646.72 × 14,632.80
  4. Step 4: Simplify right side
    21,764.88x = 477,712,924.42
  5. Step 5: Solve for x
    x = 477,712,924.42/21,764.88
  6. Step 6: Final answer
    x = 21,948.80

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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.