Home / 21,767.19-32,650.80-14,369.92

Finding the Fourth Proportional to 21,767.19, 32,650.80 and 14,369.92

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Solution

The fourth proportional to 21,767.19, 32,650.80 and 14,369.92 is: 21,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.19 : 32,650.80 = 14,369.92 : x
  2. Step 2: Convert to fraction form
    21,767.19/32,650.80 = 14,369.92/x
  3. Step 3: Cross multiply
    21,767.19x = 32,650.80 × 14,369.92
  4. Step 4: Simplify right side
    21,767.19x = 469,189,312.09
  5. Step 5: Solve for x
    x = 469,189,312.09/21,767.19
  6. Step 6: Final answer
    x = 21,554.89

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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.