Home / 21,706.08-32,502.72-18,605.92

Finding the Fourth Proportional to 21,706.08, 32,502.72 and 18,605.92

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Solution

The fourth proportional to 21,706.08, 32,502.72 and 18,605.92 is: 27,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706.08 : 32,502.72 = 18,605.92 : x
  2. Step 2: Convert to fraction form
    21,706.08/32,502.72 = 18,605.92/x
  3. Step 3: Cross multiply
    21,706.08x = 32,502.72 × 18,605.92
  4. Step 4: Simplify right side
    21,706.08x = 604,743,008.10
  5. Step 5: Solve for x
    x = 604,743,008.10/21,706.08
  6. Step 6: Final answer
    x = 27,860.54

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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.