Home / 21,732.48-30,005.76-14,668.80

Finding the Fourth Proportional to 21,732.48, 30,005.76 and 14,668.80

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Solution

The fourth proportional to 21,732.48, 30,005.76 and 14,668.80 is: 20,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,732.48 : 30,005.76 = 14,668.80 : x
  2. Step 2: Convert to fraction form
    21,732.48/30,005.76 = 14,668.80/x
  3. Step 3: Cross multiply
    21,732.48x = 30,005.76 × 14,668.80
  4. Step 4: Simplify right side
    21,732.48x = 440,148,492.29
  5. Step 5: Solve for x
    x = 440,148,492.29/21,732.48
  6. Step 6: Final answer
    x = 20,253.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.